Soc 12 Skeletal System Flashcards
Skeletal system
Includes all of the bones and joints in the body. Each bone is a complex living organ that is made up of may cells, portein, fibers and minerals.
5 functions of the Skeletal system
Protection of vital organs
Muscle attatchment
Joints for movement
Strong calcium and phosphorus
Red and white blood cell prodcution
2 bones that make up the arm
Humerus
Unla
3 bones that make up the feet
Tarsals
Meta tarsals
Phalanges
Protection of vital organs
Staying safe is important is sports and the skeleton play a key role the skull protects the brain and the ribs protect the internal organs, inculding the heart
Muscle atttachment
The muscles you use in sport need strong points to attach to and bones provide the framework.muscles are. Attached to bones by tendons
Joints movement
Joints allow the body to make a variety of movements. Some are samll movements, like getting a grip of a javelin and larger ones , such as throwing a javelin
Strong calcium and phosphorus
The bones act as a store for calcium and phosphorus, two minerlas that are vital for developing and maintaining the strong and healthy bones you need for exercise. The best sources for both minerals are milk , cheese and yoghurt.
Phosphorus
Helps reduce muscle pain after exersice
Red and white blood cell prodcution
When the oxygen content drops, or the number or red blood cells goes down, your bone marrow makes more red blood cells; if you have an infection, it makes mre white blood cells.
2 bones that make up the bottom part of your arm
Radius
Ulna
Scientific name of the collar bone
Clavicle
2 bones that make up the leg
Femur
Patella
What does the rib cage protect
protects the lungs
What does the skull protect
It protects the brain
