« previous next »
« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
The fact that a mother works outside the home has no negative effect on the well-being of her child ... The fact that a mother works outside the home has no negative effect on the well-being of her child ...
Candidates for jobs are sometimes rejected when the prospective employer finds negative images or ... Candidates for jobs are sometimes rejected when the prospective employer finds negative images or ...
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
Negative feedback mechanism. Negative feedback mechanism.
Positive and Negative Punishment Positive and Negative Punishment
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library