Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
Did you know?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Did you know?
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Active and passive immunity
Mechanisms of Active and Passive Immunity
Five Areas for listening to the heart
Passive shoulder roll. Place one hand on the anterior and the other on the posterior shoulder. ...
Mechanisms of active and passive immunity
Embryonic development of shepherd’s purse (Capsella), a eudicot