Dwarfism results due to :

Involuntary actions in the body are controlled by:

The cerebellum,medulla,and pons are parts of which of the following?

Which of the following statements are true?
$(i)$ Sudden action in response to something in the environment is called reflex action.
$(ii)$ Sensory neurons carry signals from the spinal cord to muscles.
$(iii)$ Motor neurons carry signals from receptors to the spinal cord.
$(iv)$ The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.

Which is the most complex part of the brain?

Iodine is necessary for the synthesis of which hormone?