Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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.
Did you know?
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
The deer mouse and the African elephant represent extremes among mammals of r versus K selection.
To travel quickly, killer whales leap out of the water when swimmingâ€â€Âa behaviour kn
The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima
Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f
Although the Democrats and the Republicans represent slightly different slices of the center, those ...
Time spent on, paid work and housework, by living arrangements of Canadian