One of the male sexual organ’s main roles is to make procreation happen, but the penis also has cultural significance. Here ...
An animated sequence that tours the human body, picturing and naming ... hearing aids or prosthetics to help certain body parts function. The clip also stresses the importance of exercise in ...
The human body is composed of over 37 trillion cells, each with a limited lifespan. These cells are continuously replaced to ...
The human brain and body function differently under the extreme stress of combat than they do under normal circumstances. Former West Point psychology professor Lt. Col. Dave Grossman teamed up ...
Some human body parts serve no purpose despite once having a specific function among our ancestors. The appendix, for example, is not an essential body part (though some research suggests it may ...
The human nervous system is defined as two parts. They are the central nervous ... And the CNS and PNS control voluntary and involuntary functions. The body’s voluntary (somatic) nervous system ...
An animated sequence that tours the human body, picturing and naming ... hearing aids or prosthetics to help certain body parts function. The clip also stresses the importance of exercise in ...