How does the nervous system affect the excretory system?
O
A. The kidneys are controlled by signals from the brain.
O
B. Nerves connect the kidney to the bladder.
O
c. The excretory system removes wastes from nerve cell
O
D. Action potentials remove wastes from blood.

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence