NEET 2021 Biology Paper

Adenosine deaminase (ADA) enzyme is crucial for the immune system to function. Hence, its deficiency results in the dysfunction of immune system.
→ Hyposecretion of hormones of the adrenal cortex causes Addison's disease.
● Parkinson's disease is a long-term degenerative disorder of the central nervous system.
● Disorders which affect GIT & associated glands are called digestive disorders.