« previous next »
« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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 oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Large size can provide a refuge from predators. While young African elephants may be vulnerable to p Large size can provide a refuge from predators. While young African elephants may be vulnerable to p
Analogy for How Magnetic Field Strengths Increase Analogy for How Magnetic Field Strengths Increase
Preparation of sterile field 2 Preparation of sterile field 2
Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column
Draw the electric field of: •An electron and proton •Two electrons Draw the electric field of: •An electron and proton •Two electrons
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library