The integumentary system consists of the skin, hair, nails, glands, and nerves. its main function is to act as a barrier to protect the body from the outside world and to maintain homeostasis. hair! how does your hair protect your body and maintain homeostasis? all but one answer applies. a) hair to insulate the body. b) hair follicles produce necessary vitamin d. c) hair protects your body from the effects of uv radiation. d) hair can trap particles and minute organisms and keep them from entering your body.

How does social isolation affect teens?

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

What hormones (at least three) are responsible for human growth and development and what do they do? describe what menstruation is and how it relates to reproduction. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges. what steps can you take to ease your own transition and be sensitive to others when they experience theirs? analyze the role of hormones in growth and development. how does this relate to your own personal health?