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Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

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.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Extracellular digestion in a gastrovascular cavity. Extracellular digestion in a gastrovascular cavity.
Spider's main organs Spider's main organs
Position of the lungs within the thoracic cavity; anterior view illustrating regions of the lungs an Position of the lungs within the thoracic cavity; anterior view illustrating regions of the lungs an
The Rodent Accessory Olfactory System The Rodent Accessory Olfactory System
Peristalsis Muscles around the organs of the GI tract constrict Peristalsis Muscles around the organs of the GI tract constrict
Accessory, XI Accessory, XI
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

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