« previous next »
« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Muscle Excitation Muscle Excitation
cat muscle anatomy lab17 cat muscle anatomy lab17
The muscle segment, muscle segment with sarcomere, and relaxed and contracted sarcomeres. The muscle segment, muscle segment with sarcomere, and relaxed and contracted sarcomeres.
Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ... Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ...
Massage reduces muscle tension and promotes relaxation. Massage reduces muscle tension and promotes relaxation.
A model of the ATP cycle in muscle contraction A model of the ATP cycle in muscle contraction
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library