WJEC A-Level Biology 601-5290-0
Chemical Elements Are Joined Together to Form Biological Compounds
Cell Structure and Organisation
Cell Membranes and Transport
Biological Reactions Are Regulated by Enzymes
Nucleic Acids and Their Functions
Genetic Information Is Copied and Passed on to Daughter Cells
All Organisms Are Related Through Their Evolutionary History
Adaptations for Gas Exchange
Adaptations for Transport
Adaptations for Nutrition
Importance of ATP
Photosynthesis Uses Light Energy to Synthesise Organic Molecules
Respiration Releases Chemical Energy in Biological Processes
Microbiology
Population Size and Ecosystems
Human Impact on the Environment
Homeostasis and the Kidney
The Nervous System
Sexual Reproduction in Humans
Sexual Reproduction in Plants
Inheritance
Variation and Evolution
Application of Reproduction and Genetics
DiseaseOption A
AntibioticsOption A
Immune ResponseOption A
Skeletal TissuesOption B
Structure and Function of Human SkeletonOption B
JointsOption B
The BrainOption C
NeuroscienceOption C
BehaviourOption C
Working Scientifically: Practical Skills
Use of Apparatus and Techniques
Mathematical Requirements (Appendix C)
How Science Works (Appendix D)
Structure and Function of Human Skeleton
The Human Skeleton: Axial and Appendicular Structure
- 3 things to know
- A2 Unit 4
Overview
Recall questions on Axial and Appendicular Structure.
What you need to know
Answer each one before you reveal it.
Why is the pelvic girdle fused firmly to the sacrum whereas the pectoral girdle is not fixed to the axial skeleton?
Which two bones form the pectoral girdle on each side?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Into which two divisions is the human skeleton separated?
Model answer
It is separated into the axial skeleton and the appendicular skeleton.
- 2
Which bones make up the axial skeleton?
Model answer
The skull, the vertebral column, the ribs and the sternum make up the axial skeleton.
- 3
What does the appendicular skeleton consist of?
Model answer
It consists of the pectoral and pelvic girdles together with the bones of the forelimbs and hind limbs attached to them.
- 4
Which two bones form the pectoral girdle on each side?
Model answer
The pectoral girdle is formed by the scapula and the clavicle on each side.
- 5
Which three fused bones form each half of the pelvic girdle?
Model answer
Each half is formed by the ilium, the ischium and the pubis, fused together.
- 6
Name the bones of the forelimb, working from the shoulder to the fingertips.
Model answer
They are the humerus, then the radius and ulna, then the carpals, metacarpals and phalanges.
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