Answer:
An object's <u>mass</u> will remain constant throughout the universe, but it's <u>weight </u>can change from planet to planet. If you increase the mass of a planet, what happens to its gravity? <u>Strength of Gravity increases.</u> If the gravity on a planet decreases, what happens to the weight of an object on that planet? <u>Weight Decreases</u>
Explanation:
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
<span>Bone marrow which is located <span>within the spongy or cancellous portions of bones is the essential site of new blood cell production or hematopoiesis. Bone marrow contains stem cells which able to differentiate into specialized cell types. People with diseases like blood cancers, such as leukaemia and lymphoma, sickle cell anaemia, and other rely on bone marrow transplantation to survive.</span></span>