Luis is using a treadmill at the gym that monitors his heart rate electronically. His target heart rate zone is 128 to 170 beats per minute, but his heart rate is currently measuring at 185 beats per minute. What should he do to get the best possible workout?\

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

An example of maslow's need for safety is reaching goals through self-discipline

1. controls how much sugar is in the blood pancreas 2. controls the other glands pituitary gland 3. manufactured by the brain to relieve pain thyroid 4. gland that regulates the body's energy levels endorphins