Learn about human lungs, respiration system ... Sweating, drinking and the kidneys help keep body temperature and water levels balanced. How do animals control their body temperature?

Find out about the different stages of a human life cycle and how we change ... Discover how the food gets into the body, through the digestive system. What happens to food in your mouth?

Smoking can cause long-term negative effects on the body, including heart disease, cancer, and diabetes. Smoking is dangerous to your health. It can harm nearly every organ in your body and ...

But rewriting this chapter of human history raises many questions about how these early people came to inhabit these continents. For decades, scientists subscribed to the Clovis-first model of the ...

The human body contains two primary cannabinoid receptors: CB1R and CB2R. CB1R is present in the human fetal cerebrum by the first weeks of the second trimester, and is the brain’s most abundant ...

Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...

Spiritual teacher Isabelle Gloria shares some fascinating spiritual facts about the human body and our existence. Here are some eye-opening insights about human beings. Your body is more than just ...