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Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Good alignment for sitting posture. Good alignment for sitting posture.
Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ... Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ...
A BLAST alignment between human myoglobin and human a-globin showing a 25% sequence identity A BLAST alignment between human myoglobin and human a-globin showing a 25% sequence identity
The depiction of the alignment, pairing, and disjunction of sister chromatids during mitosis The depiction of the alignment, pairing, and disjunction of sister chromatids during mitosis
DNA-sequence alignment of contigs on human chromosome 2 DNA-sequence alignment of contigs on human chromosome 2
Alignment of DNA, mRNA, and polypeptide Alignment of DNA, mRNA, and polypeptide
Video: Oogenesis Animation

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