WorksheetsGas Exchange Reflection
Total questions: 15
Worksheet time: 8mins
Which means: To take into the lungs to gain oxygen?
Diffuse
Inhale
Respire
Exhale
A tiny air sac inside a lung, adapted to diffuse oxygen easily.
Bronchiole
Trachea
Nasal Passage
Alveolus
What is the process by which cells obtain energy from glucose and oxygen?
exhalation
photosynthesis
respiration
eating
Plants take in what gas?
Oxygen
Argon
Nitrogen
Carbon Dioxide
The chemical reaction of oxygen and glucose produces what?
water, energy and carbon dioxide
energy and carbon dioxide
Nitrogen, argon and oxygen
sweet air
The gas which the body exhales as waste is called...
carbon dioxide
argon
oxygen
nitrogen
Alveoli are adapted to work efficiently because...
They are large
They have thin walls
They have thick walls
There are only a few of them
What is heart rate?
The number of times your heart beats.
The maximum amount of times your heart should be.
The number of times your heart beats per minute.
The amount of times your heart should beat while exercising.
Where are the two easiest places to find your pulse?
foot and leg
finger and thumb
neck and wrist
arm and leg
What is resting heart rate?
Your heart rate after you have exercised.
Your heart rate after you have been eating or drinking.
Your heart rate when you are at a complete state of rest.
Your heart rate before your exercise.
John is 22 years old. He counted his pulse for 15 seconds and got 16 beats. Using that data, calculate his current resting heart rate heart rate.
67
78
64
72
Explain why your heart rate increases during exercise.
Carbon Dioxide enters the plant through small openings on the undersides of leaves called?
chlorophyll
pigments
stomata
lungs
Chloroplasts in plant cells capture energy from?
leaves
sunlight
stomata
electricity
What gas EXITS through the stomata on the underside of the leaf.
(a)
