Which statement best describes the functioning of the cardiorespiratory system?
a. the lungs pump oxygenated blood to the body and remove oxygenated blood from the heart.
b. the lungs pump carbon dioxide into the blood and the heart circulates it throughout the body.
c. the lungs import oxygen into the blood and remove carbon dioxide from the blood.
d. the lungs import carbon dioxide into the blood and the heart circulates it throughout the body.

What is the term for bone marrow tumor? osteoma myeloma osteocele osteomyoma

Lina went camping in the woods. while camping, she accidentally touched a strange plant. her hand immediately started itching, and her skin erupted in hives. after she got home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina’s affected hand. lina’s grandmother followed a traditional remedy.

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.