Answer:
False.
Explanation:
Human body derives most of its energy from dietary fat.
Dietary fat is fat consumed in the food that we eat. Fat is a major source of energy in the diet and it provides nine calories per gram and it’s more than twice the number that carbohydrates or protein provide. Dietary fat is different than body fat. Pure carbs give a respiratory quotient of 1, while fat give 0.7. People that are on average diets have a respiratory quotient of 0.8. That indicates that fat is every organism's main fuel. If some is well trained, athletically, more fat and ketones will be used as fuel.
goes to the lungs, and then re-enters the heart; Deoxygenated blood leaves through the right ventricle through the pulmonary artery. From the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.
Answer:True..
Explanation:National Academy of Sports Medicine Three key phases to exercise are the warmup, training, and the cool down. During the warmup you ready the body for what’s to come. In the middle phase, you perform the strenuous work.
