← Chapter 18
Anatomy & Physiology · Chapter 18
Blood Composition
Spin a tube of blood and it splits into three layers. Tap each layer. See what it is made of and how much of the blood it is.
Plasma
a spun (centrifuged) tube
Blood composition
three layers
The layers
📷 Reference image
A real labeled figure. Compare it with the interactive above.
Blood Composition — OpenStax, CC BY 3.0 (via Wikimedia Commons)