WorksheetsRespiratory System - Gas Exchange
Total questions: 21
Worksheet time: 23mins
Cells use oxygen in this process to generate ATP energy.
breathing
cellular respiration
photosynthesis
ventilation
What is NOT a main stage of breathing?
internal respiration
external respiration
breathing
glycolysis
Inspiration involves the movement of ___ rich air into the lungs. Expiration involves the movement of ___ rich air out of the lungs.
O2, CO
CO2, O2
O2, CO2
CO, O
Where does gas exchange occur in humans?
Gills
Alveoli
Bronchioles
Trachea
What system is responsible for transporting oxygen to all of the other body systems?
Respiratory
Circulatory
Nervous
Endocrine
During internal respiration, body cells will expel this gas since they have a high concentration of it.
CO2
O2
N
CO
This molecule is what the body uses as energy.
Food
ADP
Oxygen
ATP
Why is a moist environment crucial for respiration?
Allows gases to become slippery
Allows for diffusion
Allows for our lungs to be lubricated
It hydrates us
During internal respiration, the lungs have a high concentration of O2 atoms in them. The blood passing through the capillaries attached to the alveoli have a low concentration of O2. Why does oxygen move into the capillaries?
Gravity
Active Transport
Ventilation
Diffusion
Explain why these molecules move in this way. Try to explain this phenomenon in terms of how the molecules interact with each other.
Explain why the structure of alveoli fits it's function. Provide at least two reasons.
During external respiration, what gas is present in high concentrations in the blood?
CO2
O2
S
CO
During internal respiration, what gas is present in high concentrations in the blood?
CO2
O2
S
CO
Draw a picture that represents diffusion.
Why are capillary and alveoli walls only one cell thick?
Why is the trachea and bronchi made out of cartilage?
Why is surfactant an important feature in respiration?
It keeps the pleural membrane lubricated.
It stops the trachea from collapsing.
It reduces surface tension in the alveoli.
It lubricates the lungs.
Oxygen and _____ is involved in cellular respiration to create CO2, water and ATP.
ADP
Glucose
CO
OH
What stage of respiration is being shown?
External respiration
Breathing
Cellular respiration
Internal respiration
What is NOT a requirement for respiration?
Thick diffusion membranes
Concentration gradient
A large enough respiratory surface to satisfy body demand
Moist environment
Why is it dangerous to ascend from a deep sea dive quickly?
Nitrogen will bubble out of our blood.
The oxygen tank stops working.
The pressure will give you a headache.
Your body cannot undergo cellular respiration.
