Answer would be <span>damage to the nerve cells in the spinal cord.
The spinal cord is responsible for sending nerve signals throughout your whole body. Damage to the spinal cord can result in an inability to send signals to parts of the body, including simple reflexes.
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The heart must beat faster during exersise because by increasing the heart rate the body is able to increase cardiac output and deliver the necessary blood flow to the mucles
Answer:
mutated dna
Explanation:
there would be either be dna substitutions, deletions or insertions. substitution simply changes the letter. deletion gets rid of a letter. insertion adds another letter.
