« previous next »
« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
All Muslims must face Mecca, Saudi Arabia, to pray. Here, the minaret of a mosque is aligned with Me All Muslims must face Mecca, Saudi Arabia, to pray. Here, the minaret of a mosque is aligned with Me
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library