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Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

The internal organization of cells, tissues, organs, and organ systems in a mammal. The internal organization of cells, tissues, organs, and organ systems in a mammal.
A maneless male lion, who also has little body hair - from Tsavo East National Park, Kenya A maneless male lion, who also has little body hair - from Tsavo East National Park, Kenya
Convergent evolution in body forms Convergent evolution in body forms
Different parts of the body mature at different rates. “General” refers to the body as a whole: the Different parts of the body mature at different rates. “General” refers to the body as a whole: the
Body systems and their major functions. Body systems and their major functions.
Two Cnidarian Body Plans Two Cnidarian Body Plans
Video: Ciliate conjugation Animation

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