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uranmaximum [27]
3 years ago
6

Please help quickly!!!!

Biology
1 answer:
zhannawk [14.2K]3 years ago
8 0

Answer:

I'm not quit sure what that is

Explanation:

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Answer the below question choosing either a,b,c,d
Vadim26 [7]

Answer:

a) Increased heart rate, increased blood pressure, increased respiration rate.

Explanation:

When a person do any physical activity like running, jogging, cycling, swimming and stair climbing, the heart rate, blood pressure and respiration rate of a person are increased because due to physical activity, the body needs more and quick oxygen and energy. This oxygen is provided by heart through pumping of blood and energy is released due to the breakdown of glucose molecules that occurs in mitochondria of the cell in the process of respiration. For providing oxygen and energy quickly, blood pressure of the body is increased.

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3 years ago
Describe a sea-level regression.
Deffense [45]

<u>Answer:</u>

<em>The exposure of sea bed or undersea surface is called sea-level regression.</em>

<u>Explanation:</u>

Sea-level regression occurs when sea level drops down due to several climatic changes. This triggers extinction of several species. There had been several mass extinctions in the past due to <em>sea-level regression. </em>

<em>Chances of survival of shallow</em> water species become feeble when the sea level falls. In the case of mass extinctions regression can be seen as a symptom and not a cause.

Marine transgression is the opposite <em>phenomena of regression</em> where sea level rises and covers the land which was previously above the sea level.  

8 0
3 years ago
What happens when a neurotransmitter binds to a receptor on the postsynaptic cell?
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<span>After release into the synaptic cleft, neurotransmitters interact with receptor proteins on the membrane of the postsynaptic cell, causing ionic channels on the membrane to either open or close. When these channels open, depolarization occurs, resulting in the initiation of another action potential</span>
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4 years ago
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You inherit one__ from your mom and the other from your dad
storchak [24]
Answer is Chromosomes
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3 years ago
How does the construction of new homes change the habitat for the ducks?
zhenek [66]

Answer:

C.

Explanation:

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