L2: bones Flashcards
How does the skeleton effect our organs?
It supports the organs and protects the major organs
Whatvdoes our skeletons allow the body to do?
Move
What does our skeleton produce?
Blood cells
What does our skeleton store?
Minerals
What is inside of long bones like the femur?
Bone marrow
What is bone marrow responsible for?
Blood cell production
On average, how many red blood cells are produced each second by the bone marrow?
2.6 million
What are examples of minerals that the bones store?
Calcium and phosphorus
Why would the bone repair itself after being broken?
It is a living tissue
When the bone is healing what should you be careful of and why?
It needs to be held in the correct position so it heals in the correct way
As we get older, what happens to the density of our bones?
Decreases, making it easier to break
What can help keep the bone strong?
Weight bearing exercises
What are bones?
Living organs made up of many different types of tissue
What do some specialised bone cells do?
Constantly remodelling our bones
How much of an adult’s skeleton is replaced each year?
10%