Squat with dumbbell exercise for leg muscles

Chest press with dumbbell

The chest press with dumbbell exercise targets the chest muscles. See how it's done.

Cerebral aneurysm

This animation shows a cerebral aneurysm growing and rupturing filling the brain with blood.

• Headache

Macular degeneration

This animation shows the process of macular degeneration in the eye. The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.

• Vision

Chest press with weight machine

The chest press exercise with weight machine targets the chest muscles. See how it's done.

Standing hip abduction exercise with resistance tubing

The standing hip abduction exercise targets the hip muscles. See how it's done.