AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

THE NERVOUS AND ENDOCRINE SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which gland has a role in active immunity?
A
adrenals
B
pancreatic islets
C
parathyroids
D
thymus
E
pineal
Explanation: 

Detailed explanation-1: -Your thymus is a small gland in the lymphatic system that makes and trains special white blood cells called T-cells. The T-cells help your immune system fight disease and infection. Your thymus gland produces most of your T-cells before birth.

Detailed explanation-2: -THE THYMUS IS A PRIMARY LYMPHOID ORGAN ESSENTIAL FOR THE DEVELOPMENT OF T LYMPHOCYTES WHICH ORCHESTRATE ADAPTIVE IMMUNE RESPONSES.

Detailed explanation-3: -The thymus gland is in the chest between the lungs. It makes white blood cells (T lymphocytes) which are part of the immune system and help fight infection.

Detailed explanation-4: -The thymus is at its largest and most active during the neonatal and pre-adolescent periods. After this period the organ gradually disappears and is replaced by fat.

There is 1 question to complete.