bill nye the science guy: respiration
1. in your upper body there is a strong muscle called the diaphragm
2. when you inhale, your diaphragm goes ______ and your lungs ______.
3. when you breathe in, your body gets ______ from the air.
4. ______ is the same chemical that makes candles burn and iron rust.
5. we combine oxygen with our ______ to get the energy we need to live.
6. your ______ are full of tiny little passageways like sponges. these passageways allow you to take in a lot of oxygen with each breath.
7. your lungs have as much surface area as a ______
8. surface area is how ______ something is.
9. your lungs are full of tiny passages (sacs) called alveoli
10. your ______ lung is bigger than your ______ lung.
11. your right lung is divided into ______ parts, and your left lung divided into ______ parts.
12. why is your left lung smaller than your right lung? ______
13. accumulation of ______ causes pain in our muscles when you are working \at a level more than your lungs can supply\.
14. cellular ______ occurs when our cells combine chemicals in food with oxygen to store energy in another simple chemical called ______ (adenosine triphosphate).
15. your body uses ______ as a sort of ______
16. your body ______ energy and ______ later.

Question

Accepted Answer

### Question 2
# Brief Explanations:
When inhaling, the diaphragm contracts (moves down) to increase the volume of the thoracic cavity, allowing the lungs to expand and fill with air. So the diaphragm moves down and the lungs expand.
# Answer:
down; expand

### Question 3
# Brief Explanations:
Inhalation is the process of taking in air, and the main gas our body needs from the air is oxygen, which is used for cellular respiration.
# Answer:
oxygen

### Question 4
# Brief Explanations:
Oxygen is involved in combustion (like candles burning) and oxidation reactions (like iron rusting). So the chemical is oxygen.
# Answer:
Oxygen

### Question 5
# Brief Explanations:
Our body uses oxygen to break down glucose (from food, specifically the nutrients in food like glucose) in cellular respiration to release energy. So we combine oxygen with our food (or nutrients, glucose) to get energy.
# Answer:
food (or glucose/nutrients)

### Question 6
# Brief Explanations:
The lungs are the organs responsible for gas exchange. They have tiny passageways (alveoli and bronchioles) that increase the surface area for oxygen uptake, similar to how a sponge has many pores. So the organs full of tiny passageways are the lungs.
# Answer:
lungs

### Question 7
# Brief Explanations:
The surface area of the lungs is very large, often compared to the size of a tennis court (or a large table, but the common comparison is a tennis court) due to the numerous alveoli.
# Answer:
tennis court (or similar large surface area comparison)

### Question 8
# Brief Explanations:
Surface area is a measure of the total area that the surface of an object occupies. So it's how much area the surface of something is.
# Answer:
much area the surface of

### Question 9
# Brief Explanations:
The tiny sacs in the lungs where gas exchange occurs are called alveoli. They are the site of oxygen and carbon dioxide exchange between the lungs and the blood.
# Answer:
alveoli

### Question 10
# Brief Explanations:
Anatomically, the right lung is larger than the left lung. The right lung has more space as the left lung has to make room for the heart (which is mostly on the left side of the chest).
# Answer:
right; left

### Question 11
# Brief Explanations:
The right lung is divided into three lobes, and the left lung is divided into two lobes. This is due to the space constraints from the heart on the left side.
# Answer:
three; two

### Question 12
# Brief Explanations:
The left lung is smaller than the right lung because it needs to make space for the heart, which is located mostly in the left side of the thoracic cavity. The heart occupies space that would otherwise be taken by the lung, so the left lung is smaller to accommodate the heart.
# Answer:
To make room for the heart (which is mostly on the left side of the chest).

### Question 13
# Brief Explanations:
When we exercise beyond our lung's capacity to supply oxygen, our muscles switch to anaerobic respiration, which produces lactic acid. The accumulation of lactic acid in the muscles causes muscle pain or soreness.
# Answer:
lactic acid

### Question 14
# Brief Explanations:
Cellular respiration is the process where cells combine food (like glucose) with oxygen to produce energy. The energy is stored in ATP (adenosine triphosphate). So the first blank is respiration, the second is ATP.
# Answer:
respiration; ATP

### Question 16
# Brief Explanations:
Our body stores energy (in the form of ATP) and then uses it later. The process involves storing energy (when we have excess) and then using it (when needed). So the body stores energy and uses it later (or similar, like "saves" and "uses").
# Answer:
stores; uses (or similar appropriate verbs like "saves" and "utilizes")

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