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notsponge [240]
3 years ago
14

What is the stem of a flower for?

Biology
1 answer:
xenn [34]3 years ago
7 0
Stems do many things. They support the plant 
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Given the following events involved in the regulation of blood volume, which one of the following answers best represents the or
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Answer:

The correct answer will be-

1. decrease in blood volume

2. secretion of renin from juxtaglomerular apparatus

3. production of angiotensin II

4.  secretion of aldosterone

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Explanation:

The RAAS pathway or Renin-angiotensin II-aldosterone pathway gets activated in the human body to maintain the osmolarity and blood volume.

When the receptors in the blood sense the low volume of water in the body sends signals to the brain which activates the secretion of the renin from the juxtaglomerular cells. Renin helps converts the inactive angiotensin to angiotensin I and II which help reabsorption of sodium ions. This activates the production of aldosterone which increases the reabsorption of the sodium ions into distal and collecting ducts.

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4 years ago
HELP ASAP WILL GIVE 10 POINTS PLEASEEE two populations of foxes are prevented from mating only because they live on two opposite
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A geographic isolation

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3 years ago
What is the main idea of this passage?
Nikolay [14]

Answer:

The green revolution solved one problem but created new ones

Explanation:

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Which compound is a reusable, complex protein that speeds up chemical reactions?
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Hello there! 

The answer is enzymes. 
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Hope I helped. Have a nice day.

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