This sub-atomic particle is the anti-particle of the electron
Among particles in this family are the up, down, strange, and charmed
After about eight weeks, a human embryo develops into this
At about 63,000 ft. at normal body temperature, blood will do this
Because they are never found in chemical compounds, the noble gases neon, argon & helium are called this
Mycology is the branch of biology that studies mushrooms, yeasts, molds, and other types of these
Fibrogen is a protein material that helps the blood in doing this
Common term for a female gamete
People usually refer to adipose tissue as this
In any vertebrate, the occiput is the posterior part of this