Write true or false for the statement: Forebrain maintains posture and balance of the body.

Explain how the human body responds when adrenaline is secreted into the blood.

How many lobes does the surface of the cerebral hemisphere possess?

State whether the following statement is true or false: The pituitary gland secretes growth hormone.

Which of the following endocrine glands does not occur as a pair in the human body?

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 spinal cord to muscles.
$(iii)$ Motor neurons carry signals from receptors to spinal cord.
$(iv)$ The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc.