« previous next »
« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
Overview: Nose, Pharynx, Larynx, and Trachea Overview: Nose, Pharynx, Larynx, and Trachea
Days 24–25 Pharyngeal arches develop. They will contribute to the face, neck, larynx, and pharynx. Days 24–25 Pharyngeal arches develop. They will contribute to the face, neck, larynx, and pharynx.
Vocal cords in the larynx Vocal cords in the larynx
Video: Allergic Rhinitis

For a complete list of videos, visit our video library