Organelles
MRS C GREN
Muscles
Circulatory system
Respiratory system
100
What is this organelle?
Nucleus
100
What does G stand for?
Growth
100
Do muscles exist on their own or in pairs?
Pairs e.g., bicep and tricep are a pair.
100
What organ pumps blood around the body?
The heart.
100
What is the main organ involved with drawing in oxygen?
Lungs.
200
What substance is found inside the nucleus?
DNA
200
What does the N stand for?
Nutrition
200
What holds bones together?
Joints
200
Which blood vessel takes blood BACK to the heart?
Veins
200
What is the scientific name for the throat?
Trachea
300
What is the outside of a cell called?
Cell membrane
300
What does the E stand for?
Excretion.
300
What connects muscles to bones?
Tendons
300
Name the three types of blood vessels.
1. Arteries
2. Veins
3. Capillaries
300
What are the two tubes called that lead to each lung?
Bronchi
400
What is this organelle?
Mitochondria
400
Is fire living or non-living? Explain using MRS C GREN.
It is non-living. This is because all the parts of MRS C GREN do not apply to fire. For example, fire is NOT made up of cells.
400
What substance is found between bones to make then move smoother?
Cartilage.
400
What is the MAIN function of blood?
Carries oxygen around the body.
400
What is the smallest part of the lungs (i.e., where gas exchange actually occurs)?
Alveoli
500
What is the liquid substance called that lets the organelles float in the cell?
Cytoplasm
500
What is MRS C GREN used for?
To tell if something is living or non-living.
500
What is the disease where cartilage wears away in between bones?
Arthritis.
500
What is found in veins to keep the blood moving in the correct direction?
Valves.
500
What process is oxygen used for? Give the word equation.
Respiration.
Glucose (food) + oxygen -> energy + carbon dioxide + water