Question

The average weight of a human brain is approximately 1 kg at birth and 1.3 kg at 1 year of age. What is the main reason for the increase in the weight of the brain over this time?options:a) Apoptosis. Small neurons die, leaving only the larger ones behind.b) Proliferation. New neurons are being formed.c) Increased fluid in the extracellular space.d) Individual neurons grow larger.

Answer 1

Aerobic activities such as running, cycling, and swimming, are effective ways of boosting neurogenesis. The aim is getting the heart pumping for more than 20 minutes at a time, and on a regular basis. In this state levels of several growth hormones are elevated in the brain.

Answer: D