The Human Skeleton Flashcards
How many bones are found in the human body
206
Cartilage
Tendons
Ligaments
Joints
Cartilage: found between bones preventing friction
Tendons : attach bones to muscle
Ligaments :attach bones to bones
Joints :found between two bones allowing movement
How many bones are found in the skull
29
The function of the cranium
Encloses and protects brain
Foramen manum
A hole base of skull through which spinal cord emerges
Function of vertebral column
Provide vertical support for the body
Cartilage dics
Prevent vertebrae from making contact
Act as shock absorbers
Allow flexibility of the vertebral column
What is the importance of a rib cage
Protects heart and lungs
Ribs and intercostal muscles assist in inhalation and exhalation
How many pairs ribs does the human body have
12
Functions of bones
-forms bony skeleton in mammals
-protect internal organs
-endoskeleton gives shape to body
- bring about movement when attached to muscles
-bone marrow produces red and white blood corpuscles and blood platelets
-bones in ear enable hearing
Name and describe the 3 types of joints
1.immovable (fixed)
-no movement allowed
2.slightly movable
-slight movement
3.freely movable (synovial)
-allow free movement of joint
Examples 0f synovial joints
Hinge joint
-elbow /knee
Ball and socket
-hip and shoulder
Pivot joint
Neck
Gilding joint
-wrist and ankle
Joint name for muscles that enable movement when working together
Antagonistic muscles
Osteoporosis
Condition where bones become porous
Common in women over 50
Arthritis
Joint inflammation , where the body’s immune system attacks the joints
Common on people over 50
