Year 8 Body Systems
15 MINUTE PRACTICE TEST
RESPIRATORY SYSTEM:
Oxygen Diffusion
Concentration
in the Lungs
Concentration
in the Blood
Carbon Dioxide Diffusion
Year 8 Body Systems
CIRCULATORY SYSTEM:
Features
Thickness of
vessel wall
Pressure of
blood within
vessel
Valves
present
Direction of
blood
Arteries
Capillaries
Veins
Year 8 Body Systems
DIGESTIVE SYSTEM:
Mechanical Digestion
Chemical Digestion
Function
Where it
occurs
List 2 structural adaptations of the
small intestine that aid in nutrient
absorption:
1.
2.