Bones and Skeletal System Flashcards
(40 cards)
6 functions of bones and skeletal system?
- provides shape
- support
- protection
- movement
- produces blood
- storing minerals
how many bones are in the body?
206
what is protected by the skeletal system?
- vital organs
- brain (by the skull)
- heart and lungs (sternum and rib cage)
- spinal cord (vertebrae)
how is movement carried out?
interaction of the muscular system and skeletal system
what do tendons connect together
muscle to bone
what do ligaments connect together
bone to bone
where are joints
where bones meet
what do triceps do and biceps when you bend your arm
triceps - relax
biceps - contract
3 joint types
hinge - jaw
ball and socket - hip or shoulder
saddle - ankle
where are blood cells produced
marrow of some bones (larger ones)
how many red blood cells on average replace worn out ones or destroyed by liver
2.6 million
what does bones and the skeletal system store
minerals
what is excess minerals in
present in blood build up will occur in bones, when there is a shortage there storage minerals are released by bones
4 types of bones
- long bones
- short bones
- flat bones
- irregular bones
2 facts about long bones
- longer than they are wide
- work as levers
4 types of long bones
- humerus
- tibia
- femur
- ulna
1 fact about short bones
- short, cube shaped
2 types of short bones
found in
- wrists
- ankles
1 fact for flat bones
- broad, wide surfaces
3 types of flat bones
- ribs
- cranial
- shoulder girdle
are irregular bones varied shapes? T or F
true
what do the flat bones protect
provide protection of organs and attachment of muscles
2 types of irregular bones
- skull
- vertebrae
what does compact or dense tissue protect
protective exterior of all bones
