I think the answer is D. Circulatory because this system helps to get the absorbed nutrients throughout the whole body
Heterotrophs eat Autotrophs & depend on them for their energy supply
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Since people with HIV have weakened immune systems it would be:
C) People with HIV are unable to fight off these rare diseases.
Answer: true
Explanation: in able to do this it has to transport proteins that can span the cell membrane and allowi the permeable membrane to regulate which molecules enter and leave a cell.
Question answered by:
(jacemorris04)
Answer:
cell is the structural and fundamental unit of life.
Explanation:
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