« previous next »
« previous next »
 

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.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The FDA recognizes 118 routes of administration.

Tracheid cells in xylem tissue. Tracheid cells in xylem tissue.
muscle muscle
(A) A neuron connecting to a skeletal muscle. (A) A neuron connecting to a skeletal muscle.
Rubella rash in a young child. Rubella is also called 3-day measles or German measles. Rubella rash in a young child. Rubella is also called 3-day measles or German measles.
Muscle action in the small intestine Muscle action in the small intestine
Skeletal muscle Skeletal muscle
Video: Vasectomy

For a complete list of videos, visit our video library