Organs of Breathing
- What is breathing?
a) Inhaling air
b) Taking in fresh air
c) Eating food
d) Drinking water - Breathing involves taking in _______ and expelling _______.
a) Fresh air, bad air
b) Water, food
c) Bad air, fresh air
d) Food, water - Staying in a well-ventilated room helps to ensure _______.
a) Bad air circulation
b) Continuous sickness
c) Fresh air supply
d) Excessive heat - When we breathe, we take in _______ and send out _______.
a) Carbon dioxide, oxygen
b) Oxygen, carbon dioxide
c) Water, carbon dioxide
d) Carbon monoxide, nitrogen - The organs of breathing include _______ and _______.
a) Heart, liver
b) Nose, mouth
c) Eyes, ears
d) Stomach, lungs - Breathing means taking in _______ air into our body.
a) Fresh
b) Stale
c) Polluted
d) Cold - The process of breathing out is also known as _______.
a) Inhaling
b) Exhaling
c) Digesting
d) Swallowing - In a closed room without ventilation, we may keep breathing _______.
a) Fresh air
b) Polluted air
c) Warm air
d) Cold air - Breathing exercises involve _______ and _______.
a) Eating, drinking
b) Speaking, listening
c) Breathing out, breathing in
d) Running, walking - Plants undergo _______ to take in carbon dioxide and release oxygen.
a) Breathing
b) Photosynthesis
c) Respiration
d) Digestion - Animals, like humans, need to _______ to survive.
a) Sleep
b) Breathe
c) Eat
d) Play - The air we breathe in is called _______.
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Carbon monoxide - Breathing out involves expelling _______ air.
a) Fresh
b) Stale
c) Polluted
d) Warm - Why is it important to stay in a well-ventilated room?
a) To breathe fresh air
b) To avoid breathing
c) To become sick
d) To feel cold - Moving air is known as _______.
a) Breeze
b) Hurricane
c) Tornado
d) Blizzard