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Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Different types of membrane proteins. Different types of membrane proteins.
Types of transporters based on the direction of transport. Types of transporters based on the direction of transport.
Water Molecules Surround Ions Water Molecules Surround Ions
The light reactions and chemiosmosis: the organization of the thylakoid membrane. The light reactions and chemiosmosis: the organization of the thylakoid membrane.
Regulation of membrane phospholipid composition in bacteria Regulation of membrane phospholipid composition in bacteria
Eukaryotic signal transduction systems involving membrane receptors (1–5)/ second messengers (1-4) Eukaryotic signal transduction systems involving membrane receptors (1–5)/ second messengers (1-4)
Video: Protein digestion - stomach & small intestine

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