Fats or lipids form animal body fat that is used for stored energy and insulation

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain