« previous next »
« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

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

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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
Gram Negative Testing Gram Negative Testing
Feedback mechanisms of the thyroid gland: (1) stimulus; (2) release of TSH; (3) release of thyroid h Feedback mechanisms of the thyroid gland: (1) stimulus; (2) release of TSH; (3) release of thyroid h
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Control of thyroxine secretion through negative feedback. Control of thyroxine secretion through negative feedback.
Video: baroreceptors

For a complete list of videos, visit our video library