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.
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
The operation of a rotor-type oil pump.
Population Growth and Change
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Children: A Chronological Approach, Canadian Edition
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).