In the _______, oxygen in the air is exchanged for carbon dioxide in the blood.
nose
trachea
alveoli
bronchi
In the alveoli, _________ in the air is exchanged for carbon dioxide in the blood.
oxygen
carbon dioxide
nutrients
nitrogen
In the alveoli, oxygen in the air is exchanged for ________ __________ in the blood.
carbon dioxide
oxygen
nitrogen
nutrients
The bronchi take the air into the lungs and then the air goes to the ___________.
bronchi
alveoli
trachea
mouth
We breathe in air through our _______ and _________.
nose and trachea
nose and mouth
lungs and alveoli
trachea and bronchi
The air from our nose goes down the trachea and into the __________.
bronchi
mouth
lungs
alveoli
We breathe out ______ ________ from our nose and mouth.
oxygen
carbon dioxide
water
nutrients
Where does gas exchange happen in the circulatory system?
In the capillaries
In the veins
In the arteries
In the heart
What does the circulatory system transport?
the arteries
the veins
oxygen and nutrients
the heart
The heart ....
Is where gas exchange happens.
Is part of the digestive system.
Is a small blood vessel that connects arteries and veins.
Is a big muscle that pumps blood around the body.
What takes blood from the body to the heart?
capillaries
the lungs
veins
arteries
What takes blood from the heart to the body?
capillaries
the lungs
arteries
veins
Where do we take in food? (digestive system)
through the stomach
through the anus
through the mouth
through the oesophagus
From the mouth, food travels down the ___________ into the stomach. (digestive system)
large intestine
trachea
small intestine
oesophagus
Food goes from the oesophagus into the _________. (digestive system)
large intestine
mouth
small intestine
stomach
Food goes from the stomach into the _______ __________. (digestive system)
large intestine
anus
oesophagus
small intestine
