The Breathing System Flashcards
0
Q
Why does limewater turn milky in one of the test tubes
A
Carbon dioxide turns limewater milky
1
Q
What liquid is used to test for carbon dioxide
A
Limewater
2
Q
What conclusion can be made from the result of this experiment
A
There’s more carbon dioxide in exhaled air rather than inhaled air.
3
Q
Give three effects of smoking
A
Carbon monoxide, tumours, risk of lung cancer,
4
Q
Define respiration
A
The release of energy from foods
5
Q
Write out the word equation for respiration
A
Glucose+oxygen= carbon dioxide + water + energy
6
Q
What helps control respiration
A
Enzymes
7
Q
What type of respiration does not require oxygen
A
Anaerobic
