Respiratoion + Digestion Mix. Flashcards
Fibre use + examples
Helps digestion
Examples; fresh fruit and veg. Brown bread, nuts, cinnamon
Why is calcium essential in our diet?
To help our bones grow
Gas exchange definition
The movement of oxygen from the alveoli into the blood and the movement of carbon dioxide from the blood into the alveoli
Why do our fingers bleed when we cut them?
When we cut our fingers we cut the arteries.
Why is breathing different to respiration?
Respiration is a chemical reaction that releases energy from food while breathing is when we release carbon dioxide.
Where does gas exchange happen?
It happens in the alveoli which is in the lungs
What is the diaphragm?
It is the muscle that helps us breathe and is located under the two air sacs
Carbohydrates use + examples
Provide us energy
Examples; pasta, pizza, bread
Fats use + examples
Keep us warm and are a source of stored energy
Examples; chocolates, sweets, oil, butter
Protein use + examples
Helps with growth and repair of muscles
Examples; white meat, chicken, tofu, fish, eggs, beans
Where does food get digested?
Stomach + mouth
Why do we need to chew our food?
We chew it so that it breaks down the food into smaller pieces so our stomach can digest it to give us energy and other nutrients/vitamins our body needs
Anaerobic respiration definition
Transfers energy from glucose to cells without oxygen
What is respiration?
The process of releases energy from food
Aerobic respiration definition
Releases energy from glucose (sugar in food) using oxygen
