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Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Reference Groups Reference Groups
Common Nonsilicate Mineral Groups Common Nonsilicate Mineral Groups
Functional Groups of Carbon Functional Groups of Carbon
First-order sensory neuron with free nerve endings First-order sensory neuron with free nerve endings
Functional groups Functional groups
Video: Exocytosis - secretion

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