Book 10, Question 127
Why Does Protein Help You Grow and Repair?
Protein helps you grow and repair because it is made of tiny building blocks called amino acids. Your body uses them to build and fix muscles, skin, hair, and more. Growing bodies need a steady supply, because they are always building new parts.
More fun facts
- Protein is called a building block for muscles, skin, hair, blood and bones.
- Protein is made of smaller pieces called amino acids.
- Your body breaks down protein from food and joins the amino acids back together to make the new proteins it needs.
- Protein helps power the immune system and helps control hormones.
- Animal protein has all the essential amino acids, and eating a variety of plant proteins through the day can provide them too.
- Sports nutritionists use protein knowledge to help athletes repair damaged muscles.
Sources: BBC, National Geographic, BBC
Questions kids ask
Can vegetarians get enough protein?
Yes. Eating a variety of plant proteins throughout the day can give the body all the amino acids it needs.