How does aerobic exercise prevent cardiovascular diseases? it you burn more calories, which reduces plaque in the arteries, so that your heart becomes more efficient at pumping blood. it warms your blood, making it more fluid, so that your heart can pump more efficiently and slowly, creating less stress on the heart. it makes your heart beat faster to supply more oxygen, which makes the heart stronger and enables it to pump blood more efficiently. it lowers your blood pressure, which allows your heart to better dispose of fat cells before they form plaque on the artery walls. nextreset

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.