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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Devil facial tumour disease causes tumours to form in and around the mouth, interfering with feeding Devil facial tumour disease causes tumours to form in and around the mouth, interfering with feeding
The Parallax of a Nearby Object in Space The Parallax of a Nearby Object in Space
Covalent bonds form by the sharing of electrons Covalent bonds form by the sharing of electrons
Macromolecules can have distinct binding sites for multiple ligands Macromolecules can have distinct binding sites for multiple ligands
Patient health history form. Patient health history form.
emp form emp form
Video: Mechanisms of capillary exchange

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