What is one action a person can take to ensure his or her ability to participate in physical activity throughout life?

The embryonic stage is the most critical stage of fetal development. true false

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

What is the function of the retina?