CXC CSEC exam guide: Human and Social Biology - Section B: Life Processes: Unit 4: The Skeletal System



CXC Human and Social Biology exam guide: Life processes Unit 4


CXC CSEC exam guide: Human and Social Biology

SECTION B- LIFE PROCESSES

 

UNIT 4: The Skeletal System  

Specific Objectives

Students should be able to:

 

Explanatory notes

1

identify the major bones of the skeleton;

cranium, clavicle, scapula, vertibral column, humerus, radius, ulna, rib cage, sternum, pelvic girdle, femur, tibia, fibula.

2

relate the structure of the skeleton to its function;

 

movement, protection, support, breathing, production of blood cells.

 

3

relate the structure of a typical bone to its functions; 

diagram of long bone required (internal view).

4

 

distinguish between bone and cartilage;

Comparison of characteristics of bone and cartilage.

 

5. explain the importance of cartilage;

 

6. distinguish between tendons and ligaments;

Comparison of characteristics and functions of tendons and ligaments.

 

7.

identify a hinge joint, fixed joint and a ball and socket joint;

Diagrams required.

Definition of the term joint; location of joints.

 

8. describe movement in the hinge and ball and socket joints;

Diagrams required; thickness of walls, size of lumen, presence or absence of valves.

9. identify the biceps and triceps of the upper arm;

Diagrams required;

points of origin (location and definition);

points of insertion (location and definition)

 

10. explain how skeletal muscles function in the movement of a limb;

Diagrams required;

the role of antagonistic muscles in the development of limbs;

effect of exercise - muscle tone.

11. explain the importance of locomotion to man;

 

 

12. evaluate the factors which adversely affect the skeletal system.

Include posture and poor footwear.


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riana's picture
riana (not verified)
I feel like I've been reading

I feel like I've been reading but seems to be sticking. Is the Human and Social Biology exam paper 2 May 6th or 7th?

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