What is the mass transport system in mammals?
The mass transport system in mammals is the circulatory system.
In the circulatory system, the heart pumps blood (containing substances) around the body.
Because blood contains substances, individual cells in tissues and organs obtain nutrients and oxygen from the blood and dispose of metabolic waste such as CO2.
In the circulatory system, the heart pumps blood (containing substances) around the body.
Because blood contains substances, individual cells in tissues and organs obtain nutrients and oxygen from the blood and dispose of metabolic waste such as CO2.
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