There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Imaginary Thoracic Lines, Posterior View
Position of the Heart in the Thoracic Cavity
thoracic 18
thoracic 19
Structures of the thoracic cavity.
Open palmar friction moving back and forth over the lumbar and thoracic regions.
