« previous next »
« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

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

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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?

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.

Feedback control of the adrenal cortex Feedback control of the adrenal cortex
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Who Goes to College? Comparing Social Class and Ability in Determining College Attendance Who Goes to College? Comparing Social Class and Ability in Determining College Attendance
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
Control of glycogen synthase activity Control of glycogen synthase activity
Relative lifetime risk of schizophrenia Relative lifetime risk of schizophrenia
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library