Question

Explain the life processes like excretion and digestion

Answer 1

Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. ... These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid.

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. ... After undergoing mastication and starch digestion, the food will be in the form of a small, round slurry mass called a bolus.

Answer 2

Answer:

excretion is a prosses to clean the waste

substances from our body

digestion:

is a prosses to broke down food to a simple substances and observe energy it .

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