Medical Science Test
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Complete the word equation for respiration
food + oxygen --> Energy+Carbon dioxide + water
( food + o2--> energy+co2 + h20
What is the scientific name for the thigh bone?
Scientific name for the funny bone
Scientific name for the shoulder bone
Scientific name for the jawbone
Why do we need a skeleton? (three reasons)
- 1) To provide us shape
- 2) So we can move
- 3) so we can stand up straight without falling
Do ligaments attach muscle to bone?
What are three major differences between arteries and veins?
- 1.arteries carry the blood away from the hear whereas veins bring the blood towards the heart.
- 2.arteries have more thickness whereas veins have thin walls.
- 3.Arteries take oxygenated blood away from the heart and veins take de-oxygenated blood back to the heart.
What is the pathway of oxygen into the bloodstream (lungs)
Mouth/nose --> Trachea --> Bronchi --> bronchioles --> Alveoli --> blood stream
A blood vessel that moves blood, usually deoxygenated from the body back to the heart.
A blood vessel that moves blood (usually oxygenated from the heart to another part of the body)
Very small blood vessels that connect arteries to veins.
Define skeletal system
The hard internal structures (bone and cartilages) that provide a jointed frame for the body/
Define antagonistic muscles
A muscle that opposes the action of another. The biceps and triceps are antagonistic muscles.
The process where some organisms obtain energy from food, usually required oxygen and producing carbon dioxide.
What is the function of a cartilage?
To reduce friction and acts as a shock absorber
What is snyovial fluid?
Keeps cartilage lubricated and holds it in place
what does the synovial membrane do?
Produces synovial fluid
what do ligaments do?
Join the two bones and stop them from coming apart.
What do white blood cells do?
- -responsible for fighting infection and disease.
- - The number of white blood cells increase when a person if fighting an infection or disease
- - Approximately 1% of our blood is made up of white blood cells and platelets.
What do red blood cells do?
- - Contain a chemical cooled haemoglobin that carries oxygen around your body.
- - make up 45% of your blood.
What does plasma do?
- - plasma makes up about 54% of our blood
- - Straw coloured
- - transports carbon dioxide from our cells to our lungs and nutrients from the small intestine to our cells.
- - also transports chemical messengers called hormones to your cells.
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