The answer is: o less likely to survive and less likely to reproduce
Have a lot of mitochondria so that more respiration providing muscles with more energy for muscle contraction
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Answer:
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Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
The answer is d I juss took the test
Immune System is the system that consists of proteins and cells.
