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.
Results of selective breeding for oil content in corn plants.
A schematic of a typical glow plug circuit. Notice that the relay for the glow plug and intake air ...
A dim headlight indicates excessive resistance in fuel pump circuit.
Basbaum and Fields’s (1978) model of the descending analgesia circuit.
The muscle-spindle feedback circuit
Selective pressures from the environment influence adaptation