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KS3 Human Body
Air enters the lungs from the mouth through what?
The role of the pharynx is what?
KS3 Human Body
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KS3 Human Body
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Answers
1
The role of the pharynx is what?
To protect the oesophagus
To excrete saliva
To rule Egypt
To prevent food from going down the trachea
2
Air enters the lungs from the mouth through what?
Trackea
Oesophagus
Bronchioles
Nose
3
What purpose does fat serve in our diet?
They are building blocks for cells.
To take in vitamins. Such as vitamin A.
To prevent blood flow through arteries.
To make us look bigger.
4
What joins two bones together?
Joints
Tendons
Cartilage
Ligaments
5
Where are white blood cells made?
Epidermis
Glands
Bone marrow
Capillaries
6
Which of these is an 'R' of MRS GREN?
Respiration
Relocation
Restitution
Reproduction
7
Heart problems, high blood pressure, and diabetes are often a result of what?
Too much fat
Too many carbs
Too much protein
Too many minerals
8
What is the name of the 'pipe' the food travels down to the stomach?
Bronchus
Bronchiole
Trachea
Oesophagus
9
An athlete who has just exercised heavily needs what nutrient to help their body recover?
Protein
Carbohydrate
Fibre
Fat
10
Two muscles that work in pairs are called what?
Base-pairs
Antagonistic Muscles
Muscuplet
Teamuscles
11
Which of these is not a mineral?
Calcium
Magenisum
Iron
Nitrogen
12
Which is not a good source of protein?
Fish
Brocolli
Nuts
Eggs
13
What connects the ear to the mouth to allow for changes in pressure?
Semicircular Cancals
Auditory Canal
Cochlea
Eustachian tube
14
How are tendons similar to ligaments?
Made of collagen
Connect muscle to bone
Flexible
Fibrous
15
What is respiration?
Diffusion of gases
Chemical breakdown of glucose using oxygen and water
Breathing
Photosynthesis
16
What is breathing?
Inhaling and exhaling
Converting oxygen into carbon dioxide
Respiration
Diffusion of gases
17
Which type of cell in the trachea pushes out bacteria, dirt and mucus?
Cillia
Placenta
Palisade
Alveoli
18
Eyes 'bend' light in what process?
Scattering
Refraction
Diffraction
Reflection
19
Which part of the ear contains fluid and acts an aid to our balance?
Cochlea
Pinna
Ossicles
Semicircular Canals
20
The retina detects the light signals. What is it made up of?
Rods and cones
Squares and cylinders
Sticks and stones
Poles and hats
21
Which property does cartilage not have?
Firm
Hard
Flexible
Elastic
22
Which is not a good source of vitamins and minerals?
Tomato
Carrot
Brocolli
Potato
23
What muscles control the size of the pupil?
Pupil
Cornea
Iris
Retina
24
Food chewed in mouth is known by which process?
Salivating
Peristalsis
Mastication
Pharyxing
25
Diffusion of gases between the lungs and blood stream occurs where?
Trachea
Lungs
Alveoli
Cillia
26
What does the large intestine do?
Absorb sugars
Absorb water
Absorb nutrients
Absorb minerals
27
The ear drum is scientifically called what?
Auditory Cancal
Ossicles
Cochlea
Tympanic Membrane
28
The trachea is made of many rings. Which material are these?
Bone
Collagen
Tendons and ligaments
Cartilage
29
What does the pancreas do?
Produces bile to break down food
Produces enzymes to break down food. This is called insulin.
Produces acid to break down food
Produces amino acids to break down food
30
Roughly how much of your diet should be fruit and vegetables?
20%
7%
33%
50%
31
Why is a balanced diet important?
Prevents diseases
Prevents illness
Good mental and physical well being
More sustainable
32
Which material is brittle?
Cartilage
Tendon
Liagment
Bone
33
Which nerve send an electrical signal from the ear to the brain?
Optic
Auditory
Relay
Sensory
34
The outside of the ear is called what?
Pinna
Ear
Lobe
Outside
35
What is the pH of the stomach acid?
8-10
11-13
1.5-3
5-7
36
Which of these is not alive?
Mammal
Fungi
Bacteria
Virus
37
Why are carbohydrates needed for our bodies?
For insulation
For growth
For repair
For energy
38
Which part of the eye allows light through?
Iris
Retina
Cornea
Pupil
39
Why do our bodies need fibre?
Improves respiration
Aid digestion
Speed up enzyme reactions
To break down food
40
What is the chemical symbol for glucose (the sugar we use in respiration)?
CO2H20
C6H1206
SuGAR3
G2
