WorksheetsY8 Respiratory System
Total questions: 10
Worksheet time: 5mins
Where does gaseous exchange happen in the lungs
(a)
By what process does gaseous exchange happen
Diffusion
Gravity
Osmosis
Gas pressure
What connects the nose and mouth to the lungs
Oesophagus
Trachea
Bronchioles
Alveoli
How is are the alveoli adapated for efficient gaseous exchange?
Small surface area
Large surface area
How are the alveoli adapated for efficient gaseous exchange
Covered in capillaries (good blood supply)
Not a good blood supply
What type of cell transports oxygen around the body?
Red blood cell
White blood cell
Blood cell
Muscle cell
The trachea is held open by rings of .....
Muscle
Tendons
Cartilage
Ligaments
How are the alveoli are adapated for gaseous exchange?
They are thick (long diffusion pathway)
They are one cell thick (short diffusion pathway)
What molecule do red blood cells contain that make oxygen attracted to it?
Haemoglobin
Biconcave
Hemoglubin
Why does our body need oxygen?
Respiration
Photosynthesis
Diffusion
Digestion
