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Did you know?

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.

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.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Globular protein structures are compact and varied. Human serum albumin Globular protein structures are compact and varied. Human serum albumin
Human Cardiovascular System Human Cardiovascular System
Mitosis Chromosomes Mitosis Chromosomes
A simplified diagram of the Human Ear A simplified diagram of the Human Ear
Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ... Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ...
Chromosomes replicate during the S phase Chromosomes replicate during the S phase
Video: DNA Replication

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