Learn all about the human body's many systems and some of its individual organs, both vital and vestigial. When you purchase through links on our site, we may earn an affiliate commission. Here ...

The endocrine system consists of glands that make hormones. Your body uses hormones to control growth, development, metabolism, reproduction, mood, and other functions.

The largest muscle in the human body is the Gluteus Maximus. It is responsible for keeping your posture upright, and is the principal antigravity force working when you walk up stairs.

Your sympathetic nervous system, which prepares your body to respond to stress or danger, becomes more active when you're stressed out. For instance, it boosts your heart rate and breathing ability.

A new study reveals how extreme heat impacts the human body. Researchers examined the body's response to rising heat and ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

There are four anatomical sling systems of the body, and we asked a strength and conditioning coach to explain each one, including how to exercise them and build a stronger body.

The circulatory system takes oxygen around the body. Find out more in this Bitesize Primary KS2 Science guide. ... Part of The World Around Us The Human Body.

The integumentary system is an important organ system in the human body, comprising of the skin, hair, nails, and glands that produce sweat and oil. Learn more.

There are 11 major organ systems in the human body. Circulatory system. The circulatory system is a body-wide network of blood, blood vessels, and lymph. Powered by the heart, ...

If you're the type of person who yells "wey-oh!" if someone in a TV show says the name of the TV show, you're in good company. In Netflix's 3 Body Problem, based on Liu Cixin's novels, the actual ...