7 results for “protein”
The Human Body
The Immune System
proteins whose tips are shaped to lock onto one particular target, a specific protein on the surface
Article · 4 min read
The Human Body
Digestion
proteins and fats, far too large to pass into the blood. Digestion is the process of taking
Article · 4 min read
The Human Body
Muscles
protein filament, thick and thin, interleaved like the fingers of two hands. When a nerve signal
Article · 4 min read
The Human Body
The Heart and Blood
proteins, hormones and waste. The rest is cells. Red cells, about 25 trillion of them, are packed
Article · 4 min read
The Human Body
Skin, Hair and Nails
protein called keratin, flatten and die. The surface you can touch is a protective coat of dead
Article · 3 min read
The Human Body
The Skeleton and Bones
protein, mostly collagen fibres, which give it flexibility and stop it shattering. The rest is mineral
Article · 5 min read
The Human Body
The Senses
protein; bitter warns of poisons, which is why children, who have more taste buds, dislike bitter
Article · 4 min read
