To have healthy hair you need to: eat a balanced diet brush your hair regularly wash your hair regularly.

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

What evidence can you use to prove that different nerves carry information from the fingertips to the brain?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false