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Mrrafil [7]
3 years ago
14

Pls help me im dead

Biology
2 answers:
a_sh-v [17]3 years ago
7 0

Answer:

C.) lungs

Explanation:

i am taking the test and im getting them correct rn

-chilly

mart [117]3 years ago
5 0

Answer:

Lung

Explanation:

The fish use gills to breathe and get oxygen from, while dolphins (being mammals) use lungs to do this same function.

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Explain why the resistance of the current path through the extracellular fluid is much smaller than the resistance of the curren
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Answer:

The correct answer is - the large cross-sectional area and greater length of the cytoplasmic core get less resistance than the smaller cross-sectional area.

Explanation:

The greater length and the large cross-sectional area of the cytoplasmic path or core get less resistance than the resistance of the current path which is the small cross-sectional area of axoplasm. This leads it to greater resistance than the resistance of the current path through the extracellular fluid.

Other than this there is also an unequal distribution of the ions that leads to the increase in potential difference as higher Na+ ions present in cytoplasm and high amount of K+ ion present in axoplasm.

4 0
3 years ago
!!!!!!PLEASE HELP!!!!!!!
Margaret [11]
The answer is c (the third option)
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Answer:

Your answer is C).

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