To make a prediction on this question, think about what kind of blood (oxygenated or deoxygenated) flows into and out of the heart.
The small intestine is the largest digestive organ and does the most work in breaking down food into materials the body can use.
Type O negative blood, also known as the “universal donor” type, can be donated to anyone.
A typical human gamete contains half the number of chromosomes as a normal cell, or 23.
A deer is an example of a primary consumer; that is, an animal that consumes only vegetation.
There are three domains in taxonomy: Eukaryota, Bacteria, and Archaea.