#Human #Circulatory System #Heart System
1 year ago
4
The human circulatory system is made up of the heart, blood vessels, and blood, and is responsible for delivering oxygen, nutrients, and hormones to the body's cells and tissues. Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart. Capillaries connect arteries to veins and allow for the exchange of nutrients, oxygen, and waste products.
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