Skeleton, Muscels and Joints Flashcards
How many muscles is the muscular system made up of?
640 muscles
What’s the scientific name for jaw?
Mandible
What’s the scientific name for skull?
Cranium
What’s the scientific name for collarbone?
Clavicle
What’s the scientific name for breast bone?
Sternum
What’s the scientific name for kneecap?
Patella
What are bones made of?
Different type of tissue
What is the outer layer of bone made from?
It’s made from really strong and hard tissue - this made the bones ridged (they can’t bend).
What is the inner layer of bone made from?
Spongy tissue but it’s still strong
How many main functions does the skeletal system have?
What are they?
There’s 4 and the functions are protection, support, movement and production of blood cells
How are bones protective?
Bone is rigid and tough so it can protect delicate organs - in particular the brain
How do bones support? give 2 examples
The skeleton provides a ridged frame for the rest of the body to kind of hang off.
All the soft tissue are supported by the skeleton this allows us to stand up.
What is the production of blood cells?
Many bones have a soft tissue called bone marrow in the middle of them. Bone marrow produces red blood cells (which carries oxygen around the body) and white blood cells (which help to protect the body from infection.
How do you move?
Muscles are attached to bones
The action of muscles help the skeleton to move.
Joints (eg the knees and elbows) also allow the skeleton to move.
What is the word for muscles that work in pairs?
Antagonist
