Aman interested in losing weight and increasing his fitness followed a strict diet and exercise regimen for three months. body fat analysis indicated that the man had lost 7 kg (about 15 pounds) of fat by following this exercise and diet program. what is the most likely form by which the fat left his body? a) it was converted to atp, which weighs much less than fat. b) it was converted to heat, which was released to the environment. c) it was released as co2 and h2o.

All alternatives are correct.

Explanation:

During the weight loss process, cellular mitochondria transform the energy reserve arranged as body fat into heat, ATP, water and carbon dioxide. Therefore, none of these forms is "more likely", and fat loss occurs as a result of the release of all these products from cellular metabolism.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

to this one it would be receptive field