Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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.
Leading & Managing Defined
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da
A late stage in mitosis after the chromosomes (stained blue) have separated
Opener Chromosomes in the prometaphase stage of mitosis
A single cell from an early-stage human embryo