Question

Give the example of animal kidney for excretion and foot for movement​

Answer 1

Answer:

For example, in mammals urine is expelled through the urethra, which is part of the excretory system. In unicellular organisms, waste products are discharged directly through the surface of the cell. These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid.

Answer 2

Answer:

For example, in mammals urine is expelled through the urethra, which is part of the excretory system. In unicellular organisms, waste products are discharged directly through the surface of the cell. These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid.