Blood carries oxygen and nutrients to all cells while collecting waste products such as carbon dioxide and metabolic by-products. These wastes are transported to organs like the liver and kidneys for disposal.
What substances does blood carry to body cells, and how does it collect waste from different parts of the body?
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Blood carries various substances to body cells, including oxygen, nutrients (such as glucose, amino acids, and fatty acids), hormones, and immune cells. Waste products generated by cellular metabolism, such as carbon dioxide and urea, are collected by blood from different parts of the body. These waste products are transported to organs like the lungs, kidneys, and liver for elimination from the body.