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ch4aika [34]
3 years ago
15

Why do you need your respiratory system to live? Explain.

Biology
2 answers:
almond37 [142]3 years ago
6 0
It’s is made up of organs and it allows us to breathe
IrinaVladis [17]3 years ago
4 0
We need a respiratory system to live because it is made up of organs that allow us to breathe. When we breathe, we deliver oxygen to the cells in our body to get energy from our food. This helps us live.
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ATP is called the energy currency of the cell because
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D) most of the energy that drives metabolism is supplied by ATP.
7 0
3 years ago
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Why are plants important to the carbon water and nitrogen cycles?
dezoksy [38]

Answer:

The carbon and water cycle I know, but I can't help with the nitrogen cycle. Sorry.

Explanation:

Carbon cycle - The role that plants play in the carbon cycle is that they take in our carbon dioxide and put out oxygen, which we breathe. So we give the plant air and they give us air.

Water cycle - The role that plants play in the water cycle is when it rains, the plants absorb some of the water in their roots, thus making them strong and therefore helping the ground not become a mud hole.

Sorry that I can't help with the nitrogen cycle. But I hope what I was able to help you with helps!

8 0
3 years ago
A muscle that is being regularly contracted during exercise will attract blood flow by dilating arterioles. which of these facto
maria [59]
Increased levels of carbon dioxide
3 0
2 years ago
A cellular structure that can be found in each type of cell that is unique to each type of cell, but that has a similar function
34kurt

Answer

Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.

Serve as the selective channels  for the  influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.

Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.

Separation of metabolic process in the cell.

Explanation:

Cell membrane-This is present in all cells.But the variation of its constituents makes it unique to each cell. Although it performs the same role, the location and role the cells it bounded, reflects its  constituents, it is made up of lipids, carbohydrate, protein and cholesterol

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3 years ago
Which of the following do all acoelomates have in common?
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It is muscle and nerve tissue
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