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Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Red-eyed and white-eyed Drosophila Red-eyed and white-eyed Drosophila
Prokaryotic cells are have a relatively simple structure Prokaryotic cells are have a relatively simple structure
Patient conditions not appropriate for elctronic blood pressure measurement Patient conditions not appropriate for elctronic blood pressure measurement
Easy way to remember blood flow through the heart cardio Easy way to remember blood flow through the heart cardio
Neutrophils in a normal blood smear. Neutrophils in a normal blood smear.
In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig
Video: Body plan of euglena Animation

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