Race car driver injures the right ventral root of his first cervical vertebrate during a car crash. what major functions could be lost due to his injury?
- movement in his lower extremities
- sensation in his left lower extremities
- control of the left section of his lower body
- sensation in the right section of his upper body

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell