w. mcconnell 2004 kinross high school the body in action (a) movement
TRANSCRIPT
W. McConnell 2004 Kinross High School
The Body In Action
(A) MOVEMENT
W. McConnell 2004 Kinross High School
1. Why do the heart, lungs, brain and spinal cord need to be protected by skeleton?
They are soft, delicate organs involved in important vital processes which can be easily damaged.
W. McConnell 2004 Kinross High School
2.State 3 functions of the skeleton.
1. Protection (soft delicate organs are protected )
2. Support ( gives the body shape and form)
3. Movement ( muscles are attached to bones )
W. McConnell 2004 Kinross High School
3.If you break a bone it bleeds. Why does bone need a blood supply?
Which substances make bones hard?
What gives bone its flexibility?
Blood supplies food and minerals for growth.
Cartilage.
The minerals calcium and phosphorus.
W. McConnell 2004 Kinross High School
4.Composition of bone
(a) The living part of bone is made of …………
This gives bone its ……………
(b) The non-living inorganic part of bone is made
of ……….
This gives bone its ……………
CARTILAGE.
FLEXIBILITY.
MINERALS.
STRENGTH.
4.
W. McConnell 2004 Kinross High School
5. A roasted bone is hard but crumbles. Which bone component has been burnt away?
Cartilage
W. McConnell 2004 Kinross High School
6. What is the definition of a joint?
Where 2 or more bones meet.
W. McConnell 2004 Kinross High School
7. Complete the table below.
Name of joint Type of joint Movement at joint
shoulder all directions
1 direction
ball and socket
hinge
knee
elbow 1 direction
ball and socket all directions
hinge
hip
W. McConnell 2004 Kinross High School
8. Identify the parts of the knee joint shown the diagram below.
FEMUR
TIBIA
ligament
cartilage
synovial membrane
synovial fluid
W. McConnell 2004 Kinross High School
What is the function of the following parts of the knee joint?
Ligaments :
Synovial membrane :
Cartilage :
Synovial fluid :
Holds bones together at joint
Produces synovial fluid
Acts as a shock absorber
Reduces friction at joint
W. McConnell 2004 Kinross High School
10. What attaches muscles to bones ?
Tendons
W. McConnell 2004 Kinross High School
11. Which muscle must contract to bend the arm?
Biceps
Which muscle must contract to straighten the arm?
Triceps
W. McConnell 2004 Kinross High School
12. What is the name given to a pair of muscles which work opposite to each other?
Antagonistic
W. McConnell 2004 Kinross High School
13 What is the function of a ligament?
Holds bones together
W. McConnell 2004 Kinross High School
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