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icang [17]
2 years ago
9

How do biological clocks use feedback and feed forward inhibition to control sleep wake cycle

Biology
1 answer:
Vinil7 [7]2 years ago
4 0
We do a little more about how much you want to be the first to know that the government is not cycled rest he's sleep woe
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Describe how alveoli are adapted for gas exchange( 4 marks)​
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Answer:

they give the lungs a really big surface area. they have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.

The walls of the alveoli are only one cell thick. This makes the exchange surface very thin - shortening the diffusion distance across which gases have to move. Each alveolus is surrounded by blood capillaries which ensure a good blood supply.Adaptations of the alveoli:

Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through.

Explanation:

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Which tissues have little to no functional regenerative capacity?
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The answer to the question is Habitat

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