WorksheetsYear 8 Respiration
Total questions: 13
Worksheet time: 13mins
B7.4 which organ is not in the respiratory system
stomach
lungs
trachea
Bronchi
B7.8 What happens to breathing rate when you exercise
increases
decreases
stays the same
B7.8 Why does your breathing rate increase when you exercise?
more oxygen is picked up at the lungs for delivery to the working muscles
less oxygen is picked up at the lungs for delivery to the working muscles
your muscles are resting
your lungs need more energy to function
B7.9 Why does your heart rate increase when doing exercise
To deliver more blood to the working muscles
To deliver more oxygen to the working muscles as oxygen is transported in the blood stream
It doesn't increase
To deliver more carbon dioxide to the working muscles as carbon dioxide is transported in the bloodstream
What happens to the pressure in your lungs when you inhale?
Decreases
Stays the same
Increases
what happens to the volume in your lungs when you exhale?
Increase
stays the same
decreases
