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aev [14]
3 years ago
13

Explain the effect of activity on a heart rate​

Biology
1 answer:
TEA [102]3 years ago
7 0
Hello! i do not understand what you are asking, would you like to explain it to me please? and what subject is this for.
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What are 2 base pairs?
erica [24]
Hydrogen bonds i hope that helps
8 0
3 years ago
HELP ASAP- 13POINTS
ch4aika [34]

Answer:

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Explanation:

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4 0
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Chlorophyll molecules are the most abundant pigments in plants that are responsible for collecting light for photosynthesis. Whi
Alchen [17]

Answer: Option A.

The two types of chlorophyll are chlorophyll A and B.

Explanation:

Chlorophyll is the green pigments present in chloroplast (organelles) that is found in plants which is used for photosynthesis by reacting with carbon dioxide and water to produce carbohydrates. The two types of chlorophyll are; chlorophyii A and chlorophyll B.

Chlorophyll A is the primary photosynthetic pigment that absorb energy from blue- violet light and orange red lights wavelengths.

Chlorophyll B is the accessory pigment to receive energy and transmit it to chlorophyll A. Chlorophyll B absorbs energy from green lights wavelengths.

3 0
4 years ago
The process of maintaining internal stability is a central concept of human physiology and is called? User: The prediction of th
Ugo [173]
The concept of internal human stability which is also a central concept of human physiology which you're talking about/asking a question about would be homeostasis. By a homeostatis we're talking about a very narrow interval of functioning in which people function best and have optimal working efficiency. 
7 0
3 years ago
Which cell population of WBCs migrate to sites of injury and cross the capillary wall to accumulate within damaged tissues, wher
Harman [31]

Answer:

The correct answer is -  Basophils

Explanation:

Basophils are one of the granulocytes of WBC. The basophils move to site of damaged tissue. They cross the capillary endothelium and gathred in the damaged tissues. They discharge their granules into the interstitial fluids.

The granules which is secreted by basophils includes histamine, heparin, and serotonin.The histamine dilates blood vessels, the heparin prevents blood clotting.

These chemicals into the interstitial fluids enhances the inflammation initiated by mast cells.  

5 0
3 years ago
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