Staying alive Flashcards
What are the two chemical needed for respiration?
Oxygen and glucose.
What is respiration?
Respiration is a chemical reaction that happens in all living cells.
What are the products of respiration?
Carbon dioxide and water vapour.
What is the word equation for respiration?
Oxygen + glucose —> Carbon dioxide + water (+energy)
What is aerobic respiration?
Aerobic respiration is when glucose and oxygen react together in the cells to produce carbon dioxide and water. It is called aerobic respiration because oxygen from the air is needed for it to work.
What is the word equation for aerobic respiration?
Glucose + oxygen —> Carbon dioxide + water (+energy)
Where does oxygen enter your body? How does it get to every cell in cour body?
Oxygen enters the body in our lungs and travels in the blood by our red blood cells.
Where does glucose enter your body? How does it go to every cell in your body?
Glucose enters are body in the intestine and travels in the blood.
What happens to the carbon dioxide and water produced by respiration in your cells?
The carbon dioxide and water produced by respiration travel in the blood to the lungs or kidney to get excreted.
What is the difference between respiration and simple combustion (burning) of a feul such as glucose?
What is the difference between respiration and simple combustion (burning) of a feul such as glucose is that respiration is a lot more controlled and takes slower than glucose. The cells don’t burst in flames when they respire. It happens in living cells and other forms of energy that are made.
What is the function of the respiratory system?
The function of the respiratory system is to get oxygen into our bodies and to remove carbon dioxide from our bodies.
How do we get gases in and out of our body?
By breathing.
What do our cells need oxygen for?
To make energy by respiration.
Why are lungs perfect for absorbing gases?
1) They have a big surface area
2) They are moist
3) They have a good blood supply
Where is the only place that gas exchange happens?
Gas exchange can only happen in the alveoli where the surface of the lung is close to the blood vessels.
