Bones Flashcards
What are all of the parts of the bone? (7)
Periosteum, compact bone, yellow marrow, red marrow, nutrient artery, growth plates, spongey bone.
Is the spongey bone spongey/soft?
No
What does the spongey bone do?
It has air pockets to absorb shock and make the bone lighter
Where is red marrow found?
Flat bones
What does red marrow do?
make red blood cells
What is periosteum?
It’s a slimy outer layer of the bone. It has many nerves and is why you feel pain if you break something
What is the compact bone?
The normal bone you think of
What does yellow marrow do?
Store fat
How do cells grow?
They grow, copy themselves, then split in half and repeat the process
What is the process of making new cells called?
Mitosis
When is cancer caused?
When a cell copies wrong
What count is low when red blood cells are low?
Hemoglobin counts. There’s not enough oxygen
What is like a cushion?
The articular cartilage
Where is articular cartilage found?
In joints
How do growth plates work?
A layer of cartilage is produced, it hardens and the process is repeated