Question

Those who challenge themselves

have less blood vessel disease (allowing better blood flow to the brain), heavier brains, and more neurons.

Answer 1

mentally

Step-by-step explanation:

those who challenge themselves mentally have less blood vessel disease (allowing better blood flow to the brain), heavier brains, and more neurons.

i just took the test on edg, this is right.

Answer 2

Answer: This statement is true

Step-by-step explanation:

This statement is true. People who challenge themselves have less blood vessel disease and that is happening because in that way with physical activities and challenges the person is having better blood flow to the brain.

They are having also having more neurons and heavier brains.