Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Variegated leaves caused by a mutation in cpDNA
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f
The Gun Foundry in Cold Spring, New York, by John Ferguson Weir conveys how much
Major Wind Systems: Foehn, Chinook, and Santa Ana Winds
Similar Fossils on Different Continents