Arteries carry oxygenated blood away from the heart to the tissues, except for pulmonary arteries , which carry blood to the lungs for oxygenation. Veins carry
deoxygenated blood to the heart but the pulmonary veins carry oxygenated blood).
<span>An exercise session designed to promote weight loss should expend at least 250 calories as this is the lowest amount of calories that sufficiently constitute an appreciable quantity of fat and energy that the body has.</span>
Answer:
D
Explanation:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
A stopwatch would provide the most accurate measurement when sprinting
Answer:
Sarcomere
Explanation:
A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction.
