Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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.
Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Demonstration Against the 'Sensation' Art Exhibition outside the Brooklyn Museum, New ...
Sensation Activity: Sight