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Obtaining oxygen, getting rid of wastes, obtaining food, and growing.
food, water, and oxygen
The heart is responsible for supply of food and oxygen to all the cells in your body. The function is done through blood supply.
it extracts food and oxygen from the uterine wall of the mother to the fetus.
Cilia is the hairlike projections used for locomotion and obtaining food.
One function that is not associated with the skeleton is the production of hormones. While the skeleton plays vital roles in support, protection, movement, and mineral storage, hormone production primarily occurs in glands such as the pituitary, thyroid, and adrenal glands. The skeleton does, however, play a role in the regulation of certain hormones related to calcium and phosphate metabolism.
Animals need oxygen to convert food into energy through a process called cellular respiration. During cellular respiration, glucose from food is broken down using oxygen to produce energy in the form of ATP (adenosine triphosphate) which the body uses for various functions.
You humans!
Plants use photosynthesis to produce glucose (the 'food' that they use)
Haemoglobin binds oxygen and carry it to every part of the body for oxidation of food to generate energy.
nutrition is obtaining food
Taking oxygen into the body