5 results for “life”
The Human Body
The Skeleton and Bones
life Bone mass peaks in the late twenties and declines slowly after. In some people, especially
Article · 5 min read
The Human Body
Digestion
life, and it is reshaped throughout life by diet. Antibiotics can devastate it for weeks. Control
Article · 4 min read
The Human Body
The Immune System
life. The first line Most invaders never get in. Skin is a tough, dry, acidic wall
Article · 4 min read
The Human Body
The Heart and Blood
life. About three billion beats. The heart is a muscle the size of your fist whose
Article · 4 min read
The Human Body
The Brain
life: learning a new skill, a language or a city's streets measurably alters its structure
Article · 4 min read
