Which one of the following types of training involves 10-30 mins of high intensity exercise?
a. interval
b. medium range
c. anaerobic
d. long, steady, distance

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

The correct serving size for a complete protein is the size of your fingers. true false

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.