Answer:
b. positive nitrogen balance
Step-by-step explanation:
Positive nitrogen balance -
The element nitrogen is the main component of the amino acids , which is the building block of the proteins .
The positive nitrogen balance means the growth period , pregnancy , tissue repair , hypothyroidism . According to which the intake of the nitrogen into the body is more than the loss of the nitrogen from the body . Therefore , there is increase in the protein in the body .