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Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Four types of cellular responses to positional information in animals. Four types of cellular responses to positional information in animals.
An overview of the four phases of food use in animals: ingestion, digestion, absorption, and elimina An overview of the four phases of food use in animals: ingestion, digestion, absorption, and elimina
Synthesis and major functions of the chief steroid hormones in animals. Synthesis and major functions of the chief steroid hormones in animals.
European wildcat feeding its kittens, as illustrated in Brehm's Life of Animals European wildcat feeding its kittens, as illustrated in Brehm's Life of Animals
In pretend play, toy figures and animals “come to life” and interact with each other. In pretend play, toy figures and animals “come to life” and interact with each other.
Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used ... Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used ...
Video: Introduction to Diabetes

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