Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
A depiction of slaves on a South Carolina plantation, around 1790. Likely of Yoruba descent, they pl
Gynecological instruments: metal vaginal speculum.
Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic
Analysis of double-mutant phenotypes to find order of genes in developmental pathways