« previous next »
« previous next »
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Sexual dimorphism in body size and mating system. Sexual dimorphism in body size and mating system.
Various types of proteins and their functions Various types of proteins and their functions
Endocrine System - Fish Endocrine System - Fish
Devices used to deliver respiratory drugs: (c) dry powder inhaler Devices used to deliver respiratory drugs: (c) dry powder inhaler
Physical fitness is part of an emerging value cluster. Physical fitness is part of an emerging value cluster.
Types of Autonomic Receptors Types of Autonomic Receptors
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library