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jok3333 [9.3K]
3 years ago
7

A person is swimming when a fish touches his foot. his heartbeat and breathing increase for a few seconds until he realizes the

fish is harmless. which part of the nervous system returns his heartbeat to norma
Biology
1 answer:
UkoKoshka [18]3 years ago
4 0
Parasympathetic will return her heartbeat back to normal. This nervous system is responsible for regulating the body's unconscious actions, and stabilizes it.
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Plant Cell Writing Prompt
jeka94

Answer:

Plant cell

Explanation:

Cell wall: cell wall is only found in plant cell . it is made up of cellulose. it's function is to give shape to the cell and protect the delicate inner parts of the cell. this cell is fully permeable. it means it will allow all substance to pass in. cell membrane is made up of protein and lipids. it's function is to control what comes in and out of the cell. this membrane is selectively permeable. it means it allows some substance to pass in and others don't. cytoplasm is large sac like structure. most chemical process occur here. chromoplast are the green pigments.

cell wall is only found in plant cell . it is absent In animal cell . the neucleus in the plant cell contain a pigments haemoglobin, which contain genetic information to the cell .

3 0
3 years ago
the sodium-potassium pump uses energy from atp to move sodium ions out of the cell, and potassium ions into the cell. this is an
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Answer:

active transport

Explanation:

it involves movement of ions

3 0
2 years ago
Read the descriptions ..
ahrayia [7]

Answer:

I would  recommend reading the descriptions and then reading the passage/story if you have not done that yet.

7 0
3 years ago
Observe the two plants. Which cellular change affected the structure of second plant?
OLEGan [10]

Answer:

The correct answer is option D which is release of water from the vacuoles.

Explanation:

The difference in second plant from the first one is rigidity. Second one is wilted and not rigid. This is due to the release of water from the vacuoles in the cell of plants.

Vacuoles are present in the center of plant cell. They are usually filled with water and provide structural support to the cell.

In the absence of water filled vacuoles, plants shoots are wilted as in case of second plant.

4 0
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The theory of plate tectonics helps to explain ____.
lorasvet [3.4K]
<span>The theory of plate tectonics helps to explain the </span>formation of the earthquakes.




3 0
3 years ago
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