which type of blood vessel normally contains valves to keep the blood flowing in One Direction
a) arteries
b) veins
c) capillaries ​

Answers

Answer 1

B) Viens

The veins have valves to keep the blood pumping out and not coming back in the heart.


Related Questions

Why is it important for international organizations to work together on environmental policy?

Answers

Answer:

Environmental issues don't regard borders. They can compile all of their thoughts together to critically analyze the environmental issues that we face around the globe.

Explanation:

Im having trouble with this

Answers

the answer is c :))))))

Difference between palisade cell and fungal cell

Answers

Answer:

Explanation:

Plantae and Fungi are two of the three main kingdoms in the domain Eukaryote (the third group is Animalia, which includes you and me).

Many fungi grow in a way that’s similar to plants. They inhabit similar ecosystems and may even form symbiotic relationships together. Mycorrhizae are fungi that grow on the roots of plants, helping the plants take up nutrients in the soil while the plant provides the fungus with sugar. Of course, most fungi don’t look much like plants.

But the differences between fungi and plants are more than just skin (or bark) deep. While mushrooms often inhabit similar ecosystems to plants, molds and yeasts are even more different from plants!

Looking at a plant cell and a fungi cell under a microscope will reveal some interesting similarities and differences.

human disruption of the carbon cycle has been implicated in..?

Answers

Answer:

D. Climate change

Explanation:

The carbon cycle is disrupted by several activities of man which includes burning if fossil fuels anong others. These leads to accumulation of huge amounts of carbon dioxide in the atmosphere which leads to global warming. The resultant effects of global warming is what one of the major cause of climate change.

Therefore, human disruption of the carbon cycle can be said to have been implicated in climate change.

Please select the word from the list that best fits the definition

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid

Answers

Answer:

Pascal's principal is the word that best fits the definition.

hope this helps you☺️☺️

Answer:

Pascal's principle.

Explanation:

because yes.

How does overpopulation harm a species?

Answers

Overpopulation is associated with negative environmental and economic outcomes ranging from the impacts of over-farming, deforestation, and water pollution to eutrophication and global warming.

_______ are thought to have been present before vertebrates.

Answers

Answer:

invertebrates i guess

Explanation:

hope it helped!!!

1.) Chordates

2.) phylogeny

3.) most recent common ancestor

4.) derived

5.) homologous

6.) analogous

7.) opposable

8.) prehensile tails

9.) Lucy

10.) neanderthalensis

11.) Using comparative anatomy, scientists identify similarities and differences in the anatomy of different species. Scientists would search for homologous structures, analogous structures, and vestigial structures to provide clues as they construct a cladogram.

PF

True or False:
1. The atmosphere is like a blanket of air surrounding the Earth.
2. The atmosphere is over two miles high.
3. The atmosphere retains heat at night.
4. That atmosphere protects us from the suns UV rays.
5. The air in the atmosphere gets thicker as you go higher.

Answers

Answer:

5 is true

Explanation:

Answer:

1. true

2. true

3. true

4.true

5.true

Explanation:

Explain how one body system not functioning properly can affect another body
system.

Answers

Answer with explanation:

If a body system does not work properly then the other body systems will also fail because every system is needed for a person to live properly. For example if the respiratory system does not work properly then the other systems will be harmed as oxygen will not be able to move to other parts of the body. As a result, the kidneys will fail and the heart will stop working and the person will die.

One body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems. If one system is affected, then others will be too.

How is the body's system functioning?

In a multicellular organism, the organism is regulated by the coordination of the different organ systems, such as the circulatory system, digestive system, etc. In the human body, many systems are present, and each system is made up of many organs. In the nervous system, the nerves, brain, and spinal cord are involved, in the circulatory system, the blood, blood vessels, heart, and lungs are involved, and the lungs are involved in the respiratory system too. Because a single organ is involved in multiple organ systems, if one system is affected, the others will be affected as well.

Hence, one body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems.

Learn more about the body system here.

https://brainly.com/question/13258877

#SPJ2

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Answers

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Explanation:

:> tank u for pointe

UwU

Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?

carbon dioxide
fluorinated gas
nitrous oxide
methane

Answers

answer:

-- b), fluorinated gas

hope this helps.

The greenhouse gas that is produced by commercial refrigeration and air conditioning systems is fluorinated gas.

WHAT IS GREENHOUSE GAS?

A greenhouse gas is a gas that has the ability to trap and release heat energy into the atmosphere.

Greenhouse gases are the major causes of global warming, which is the rise in the global atmospheric temperature.

Examples of greenhouse gases are carbon dioxide, methane, fluorinated gas etc. Therefore, greenhouse gas that is produced by commercial refrigeration and air conditioning systems is fluorinated gas.

Learn more about greenhouse gases at: https://brainly.com/question/11595872

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Answers

Answer:

mbaeichaapa️️️️️

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When all of the populations live together in the same area, what is it called?
A. A community
B. A niche
C. An environment
D. An eco system​

Answers

Answer:

When all of the populations live together in the same area, it is called:

A community

Why? Because a community occurs when multiple people are together, and the prefix com means "together".

By the way, I put in D on Edge, and it was wrong.

When all type of the populaton lived together in the similar area so we called them as the community.

What is community?

The population means the group of individual that are interbreeded with respect to the same species that should be isolated from the other group

while on the other hand, the community means the group or two or more various species that have the similar kind of geographical area.

Therefore, the option A is correct.

Learn more about population here: https://brainly.com/question/12039482

draw and label a diagram of the water cycle using the words below.
Gravity
Sunlight
Evaporation
Condensation
Precipitation
water cycle
Transpiration
Runoff

Answers

Runoff I think sorry good luck

Identify the sections of the mid-oceanic ridge that have reversed polarity on the right side of the ridge.
Normal magnetic
polarity
Reversed magnetic
polarity
Mid-ocean ridge
Lithosphere
Magma

Answers

Answer:

Normal And Mid-Ocean

Explanation:

Just did it and it was right :)

Based on the magnetism on the seafloor, the sections with reversed polarity on the right side are shown as the grey areas in the diagram attached.

Magnetism on the seafloor

Leads to ridges having reversed and normal polarity.These ridges often alternate.

The first ridge to the right will have a normal polarity. The next ridge will be reversed and this trend will then repeat till the end.

Find out more about reversed polarity at https://brainly.com/question/14382969.

Which part is circled?
alcohol group
fatty acid
carboxyl group
unsaturated lipid

Answers

DAnswer:

Explanation:

The joints in all of your fingers are _________________________ joints.. Single line text.

Answers

Answer:

I believe they would be h_i_n_g_e.

Explanation:

The Fingers can only move so much unlike the thumb.

Answer:

Explanation:

proximal interphalangea joint metacarpophalangeal joint distal interphalangeal joint

If 4,000 units of energy are available in the producer level ,about how much would be available to the tertiary consumers?

Answers

4 units of energy for tertiary consumers

How did Robert Koch proved the germ theory disease ​

Answers

Answer:

In the final decades of the 19th century, Koch conclusively established that a particular germ could cause a specific disease. He did this by experimentation with anthrax. Using a microscope, Koch examined the blood of cows that had died of anthrax. He observed rod-shaped bacteria and suspected they caused anthrax.

How many years does a snake live and how many times does it change its skin without pictures please and without links​

Answers

Answer:

9 years

Explanation:

Boa constrictor: 30 years

Boa constrictors are native to North, Central, and South America, mainly dwelling in rainforests. The lifespan for the large, heavy-bodied snake averages about 20 years in the wild, but living in captivity can increase that by 10 to 15 years.

Answer: Some types of snake can live for 2-3 decades, such as the boa constrictor, whereas others, such as garter snakes, will be fortunate to reach 10 years of age. On averge a  snack changes its skin up to 2-4 times a year.

Explanation:

What must always be present in order to form a true scientific explanation?

Answers

The scientific method describes the processes by which scientists gain knowledge about the world. It's characterized by six key elements: questions, hypotheses, experiments, observations, analyses, and conclusions. These elements are interrelated steps, so they don't always function in the same order.

Bird species from temperate regions must cope with relatively short breeding seasons. A study examined the relationship between blood testosterone level (ng/ml) and the duration of the egg-laying period (months) in temperate bird species. The scatterplot below displays this relationship, after taking the logarithm of each variable. A plausible value for the correlation between the logarithm of egg-laying duration and the logarithm of testosterone level is

Answers

Answer:

The answer is "-0.4".

Explanation:

In that situation, the value of the possible correlations between the egg-laying logarithm as well as the testosterone level logarithm is equal to 4 It value is equal to the percentage 4=-0.4.

Water pressure is due to the weight of the water above a particular point.


Please select the best answer from the choices provided

T
F

Answers

this should be true

PLEASE HELP TAKING TEST NOW NO LINKS PLEASE!!!!!!!!!!!!!! In an ecosystem with low biodiversity, the removal of a species will (1 point)
O not affect the ecosystem because another species will take its place.
o disturb the ecosystem because another species will not be able to replace it.
o not affect the ecosystem because another species will not be able to replace it.
disturb the ecosystem because another species will take its place.

Answers

Answer:

disturb the ecosystem because another species will not be able to replace it.

Explanation:

person who studies inscets

Answers

Answer:

An entomologist

Explanation:

answer and show proof and ill give brainliest

Answers

Answer:

Explanation: negative human impact on the pH of Earth’s oceans can be reduced.

give proof and show work and ill give brainliest

Answers

Answer:

An outbreak of a disease that infects squirrels in the park.

Explanation:

All the other answer choices would increase the population of squirrels. For the first option, more trees = more habitats = more squirrels to live in. For the second option, less hawks = less predators = more squirrels that will survive. For the third option, heavy rain = more acorns = more food for more squirrels.

Only the last option would limit the growth of a population of squirrels since diseases kill organisms in a population.

Which statement describes the phospholipid bilayer that makes up a cell membrane?

Answers

Answer:

Phospholipids arrange in two layers. Fatty acid chains from each layer are "sandwiched" in the middle away from water in and out of the cell.

Explanation:

What the person above me said

Chloroplasts require oxygen.
True
Or
False??

Answers

Answer:

yes true because  The oxygen released by the chloroplasts is the same oxygen you breathe every day.

Explanation:

Do students learn more when they are hungry? I don’t think so. We should have a vending machine at our school because people get hungry in the middle of the day, it would raise money for sports and clubs, and students would learn more.

Answers

Answer:

No they will not learn more because thier mind will in food and they will not understand

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That is, what is the 142nd odd number? A helicopter flies from the airport on a course with a bearing of 21 degrees. After flying for 99 miles, the helicopter flies due east for some time. The helicopter flies back to the airport with a bearing of 227 degrees. How far did the helicopter fly on the final leg of its journey? A wealth gap is an economic difference betweenO nations.O economic classes.O businesses.O governments. Can the theoretical probability of the cup landing on its side be calculated based on the information given? A company charges a flat fee for shipping for items ordered online. This relationship can be represented by the equation y = x+5.50. where x represents the cost of the items ordered and y represents the total cost including shipping.Move numbers to the table to represent this relationship.xy 1.502.008.505.0015.501.501.002.002.503.004.003.504.505.506.006.507.005.007.508.008.509.009.5010.0010.5011.0012.5011.5012.0014.0013.5014.5013.0015.0015.5016.0016.50 Simplify:3x2xx plz help me I am confuse I think the answer is 6x It is or not plz help me Equatorial diameter of earth is not identical to polar diameter which one is greater and why .In a _____ relationship one variable increases and a second variable increases proportionally,A. inverse relationship/inversely proportionalB. direct relationship/directly proportionalC. converse relationship/conversely proportional Find the value of x. 6x/2xhelp please What percent of the mornings was the pool temperature 80F or higher? Sam has a box shaped like a rectangular prism. It measures16inches in height, 13in. wide and 12in.long. What is the volume of the box? Leave your answer as an improper fraction. 3. (05.03 LC)What most likely happens when water loses heat4 points)It changes into ice.It changes into vapor.Its temperature decreases.Its temperature remains constant. Pls helpPls helpPls help Which of these 23rd chromosomecombinations is likeliest to result in aperson with male and female traits?XXXXXYXY Which two systems work together to make the body move?Muscular and DigestiveDigestive and CirculatoryCirculatory and SkeletalSkeletal and Muscular . The Bakers Dozen bakery sells apple, cherry, and pumpkin pies.Yesterday, the bakery sold 14 more apple pies than cherry pies and 16 more cherry pies than pumpkin pies. Each pumpkin pie is cut into 10 pieces. How many pies did the bakery sell? Which of the following is an equation of the line that has a slope of - 3 and passes through the point (-6, 2)? Find the surface area of the following figure below. Use 3.14 for pi What is a example of a little lie that might grow to be huge if it's told a bunch of times? . During 2007, Eaton Corp. started a construction job with a total contract price of $7,000,000. It was completed on December 15, 2008. Additional data are as follows: 2007 2008 Actual costs incurred in current year $2,700,000 $3,050,000 Estimated remaining costs 2,700,000 Billed to customer 2,400,000 4,600,000 Received from customer 2,000,000 4,800,000 Under the completed-contract method, what amount should Eaton recognize as gross profit for 2008?