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Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th
The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l
Control of BP and Blood Flow Control of BP and Blood Flow
Blood Transfusion Blood Transfusion
Alleles and blood groups Alleles and blood groups
Production of ABO blood group antigens Production of ABO blood group antigens
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

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