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Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Outer Space Outer Space
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
The path of sound waves through the outer, middle, and inner ear. The path of sound waves through the outer, middle, and inner ear.
The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane
Video: Exercise and cardiac output

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