Question

the kidney in human beings are a part of the system for​

Answer 1

Answer:

Excretion

Explanation:

Kidneys are the bean shaped reddish brown paired organs that serve in maintaining the fluid electrolyte balance and acid base balance of body through the process of urine formation. Excretion refers to removal of metabolic waste from body. This makes kidneys part of excretory system. Nutrition refers to obtaining the food to meet the energy requirement for growth and development. Respiration refers to the process that allows entry of oxygen from air to blood and exit of carbon dioxide from blood to air. Transportation refers to movement of materials, mainly nutrients and gases, from one organ to other.

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Answer 2

Answer:

Excretion

Explanation:

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