Topic
body
5 questions tagged body — spanning every one of the seven Ws.
what
What is collagen?
Collagen is the most abundant protein in the human body, forming the strong fibres that hold together skin, bones, tendons and ligaments.
biologybody
what
What is keratin?
Keratin is a tough, fibrous protein that makes up hair, nails, the outer layer of skin, and animal horns, hooves, claws and feathers.
biologybody
how
How Does Insulin Control Blood Sugar?
Insulin is a hormone from the pancreas that lets cells take in glucose from the blood, lowering blood sugar after meals.
healthbodymedicine
how
How Many Bones Is a Baby Born With?
A newborn baby has around 270 to 300 bones and cartilage pieces, which fuse together over time to form the 206 bones of an adult.
bodybabiesbiology
how
How Do Our Eyes Adjust to the Dark?
In darkness the pupils widen and the retina's light-sensitive rod cells rebuild a pigment called rhodopsin, greatly boosting night vision over about 20 to 40 minutes.
bodyeyessenses