Proteins serve as antibodies.
Answer: Living systems use the Law of Conservation of Mass when a living organism dies. When the organism decomposes carbon is released and enters back into the Earth. This follows the law because the mass is not being created or destroyed, but reused. Living systems use the law of conservation of mass when a living organism dies. ... It follows the law because the mass is not being created or destroyed, but reused. Living systems use the law of conversation of energy when an organism decomposes
Explanation:
Ans.
A nerve is defined as a bundle of axons. Axons are slender, long projections protruded from neurons in PNS (peripheral nervous system). The nerves provide a pathway for the transmission of electrochemical nerve impulses from axons to the other peripheral body organs.
Thus, the correct option to be fill in the blank is 'bundle of axons.'