Which organ is a tube that allows air to pass into and then out of the body? will give brainliest

In summing we use which law of motion

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.

10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate