HI PLS ANSWER THIS ASAP AND PLS EXPLAIN TYY:) how do nature & nurture interact for positive results

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.

Define physical activity. question 3 options: bodily movement produced by the contraction of muscles planned and structured exercise the ability to perform rigorous activity all the above

What percent of body heat can be lost through the head