Skeleton Flashcards
1
Q
Bones are made of…
A
outer layer- hard and rigid
inner layer- spongy tissue, marrow, produces blood cells
2
Q
main functions of skeletal system (4) PSBM
prefer swimming butterfly (for 50) M
A
protect organs e.g skull, ribs, pelvis
Structure/Support e.g. spine, shoulders, pelvis
blood cells from bone marrow
movement e.g. long bone
3
Q
tendon
A
tough bands connecting muscles to bones
4
Q
role of muscles (2)
A
contract and relax to move the bones,
in pairs to create movement in both directions
5
Q
ligaments
A
tough bands that connect one bone to another at joints
