Name the following:

1. Nerves that originate from the brain.
2. The neuron that carries impulses to the brain or the spinal cord.
3. An action that occurs automatically, without our conscious thought.
4. The pituitary gland is controlled by this gland.
5. The period between 11 and 19 years that marks the transition from childhood to adulthood.
6. The fluid component of the cardiovascular system.
7. The blood group of universal donor.
8. The thick-walled blood vessels that do not have valves.

Give technical terms for the following:

1. The process during adolescence in which sexual development takes place in girls and boys.
2. The largest artery in the body.
3. A double-walled sac that encloses the human heart.
4. The two thick-walled lower chambers of the heart.

Write T for True and F for False. Correct the False statements.

1. The oil and sweat glands become active during puberty.
2. Most adolescents may display extreme mood swings.
3. The largest artery in the human body is the aorta.
4. The smaller veins in the body are called venules.
5. Ticuspid valve lies between the left atrium and left ventricle.

The pituitary gland is called the master gland. Give reasons.

The Adam's apple becomes prominent in boys during puberty. Give reasons.