Understanding how Muscles get Energy 1.10 Flashcards
What do your muscles need to contract and move bones?
Energy
Where do you get energy from?
The food that you eat
What do cells need to carry out in order to release the energy?
A reaction
Where does this reaction take place?
Inside your cells
How do you use your energy?
To contract your muscles so that you can move
To keep your body temperature at a suitable level and constant
To grow
What is energy?
Something has energy if it has the ability to make something happen when the energy is transferred
What is respiration?
Chemical reaction that uses oxygen to release the energy in food.
What is glucose?
Small sugar molecule
Where does respiration take place?
In the cells
What is word equation for respiration?
Glucose + oxygen ➡️ carbon dioxide + water (+ energy)
In the word equation for respiration, why is energy in brackets?
‘Energy’ is in brackets because it is not a substance.
What is aerobic respiration?
Respiration that involves oxygen
Where does oxygen go?
From the lungs to all the cells in the body.
What are the waste products of respiration?
The waste products of respiration are carbon dioxide and water.
What happens to the waste products in the process of respiration?
These are taken away from the cells by the blood and breathed out from the lungs.
