Explain respiratory , excretory and digestion system.
Answers
respiration : it is the process by which food is broken down for release of energy also, is referred to as a process involving passage of air and production of body heat
excretion : is the biological process involved in separation and removal of toxic waste from the body such as ammonia and urea
digestion : breaking up of complex food substances into simple substances so that they can be used by the body which will be carried out by specific enzymes
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Answer:
Digestion is the breakdown of food into nutrients, which are molecules that your body’s cells can use.
Absorption is the movement of nutrients from the digestive system into the bloodstream, where they can be carried to all parts of the body.
Elimination is the removal of undigested material from the body.
Processes within your cells result in waste products. These waste products must be removed from your body to keep your body systems in balance. The excretory system is the system that removes liquid, solid, and gas wastes from the body.