C is the answer to the question
The answer is D<span>. Cell walls are made of cellulose. Cell membranes are made of proteins and phospholipids
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Different systems<span> of the body have different functions. For example, your </span>digestive system<span> is responsible for taking in & processing food, while your </span>respiratory system—working<span> with your</span>circulatory system<span>—is responsible for taking up oxygen and getting rid of carbon dioxide. Hope this helps</span>
Answer:
Yes, tests like urine and blood tests.
Explanation:
Make me brainiest.