Lymphatic System: Crash Course A&P #44

Lymphatic System: Crash Course A&P #44

Today Hank explains your unsung lymphatic system and how it supports cardiovascular function by collecting, filtering, and returning interstitial fluid back into the bloodstream via a system of lymphatic vessels. He also explains the system’s major role in fighting off infection, and how lymph nodes, and other lymphoid organs, and MALT areas house antigen-attacking lymphocytes […]

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Digestive System, Part 1: Crash Course A&P #33

Digestive System, Part 1: Crash Course A&P #33

Nachos are delicious. And versatile because today they’re also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alimentary canal where it will be mechanically broken down, and chemically digested by enzymes until […]

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