A) Cerebrum
B) Medulla oblongata
C) Cerebellum
D) Spinal cord
Correct Answer: D
Solution :
At the posterior end of foramen magnum of skull, medulla oblongata of brain becomes spinal cord. Spinal cord is composed of central grey matter in which cell bodies of neurons are present. Grey matter, which much lookes like the english capital letter H, is surrounded by an outer white matter of medullated. nerve fibres. In frog, the grey matter is ractangular but in mammals, it is like butterfly in shape. Spinal cord controls the reflex actions of the body. It also conducts sensory and motor impulse to and from the brain.
You need to login to perform this action.
You will be redirected in
3 sec
