Answer:why do you need help? you got this. you're smart.
Explanation:
Answer:
it shocks the hearts muscles jolting the heart into working again.
Explanation:
Answer:
None of the options provided is correct but some are close
Explanation:
One of the ways in which a cell maintain homeostasis is by regulating what goes in and out of the cell through the cell membrane (which is a semi-permeable barrier). The amount of water is highly regulated by the cell in this case so as to regulate osmosis (movement of water molecules from a region of higher concentration to a region of lower concentration). Other substances regulated are oxygen and carbon dioxide.
NOTE: The cell <u>does not create water molecules neither does it use carbon dioxide to maintain homeostasis</u>, it rather regulates these two compounds.
Answer:
E. have a variable region that binds to a specific antigenic determinant.
This is false for sure (please thank and give me brainliest)
