What is the word equation for respiration?

sugar + oxygen -> carbon dioxide + water + energy

Which describes the function of veins?

Veins carry blood low in oxygen

What happens in the air sacs in your lungs?

Oxygen and carbon dioxide are exchanged

Which describes how cells, tissues and organs are organised?

Body cells form different tissues which make organs

What is the correct sequence of parts in the digestive system?

Mouth -> gullet -> stomach -> small intestine

Breathed out air is different from breathed in air. Which describes one change?

Breathed out air has more carbon dioxide

Which gives the correct function of cilia in the breathing system?

Moves sticky mucus up the windpipe

What happens when food is digested?

Small molecules become soluble, Large molecules become soluble

Why do you need to breathe faster during exercise?

To supply more oxygen to your muscles

Food moving through the digestive system

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S1 Biology revision - human body

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A revision quiz for S1 biology unit - human body

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Questions 16

Answers

1
What is the word equation for respiration?
sugar + oxygen -> carbon dioxide + water + energy
Water + carbon dioxide -> sugar + oxygen + energy
sugar + water -> carbon dioxide + oxygen + energy
sugar + carbon dioxide -> water + oxygen + energy
2
Which describes the function of veins?
Veins carry blood low in oxygen
Veins carry blood low in carbon dioxide
Veins carry blood low in oxygen
Veins carry blood rich in oxygen
3
Which of these are body systems? 1. Heart & blood vessels. 2. Arms & legs. 3. Brain & nerves
1 and 2
2 and 3
1,2 and 3
1 and 3
4
Which substances will cause teeth to decay most quickly
Proteins and vitamins
Proteins and fat
Vitamins and minerals
Sugars and acid foods
5
Which describes the main function of the heart?
Pumps air around the body
Pumps oxygen around the body
Pumps blood around the body
Pumps carbon dioxide out of the body
6
What happens in the air sacs in your lungs?
Oxygen and water vapour are exchanged
Oxygen and carbon dioxide are exchanged
Carbon dioxide and water vapour are exchanged
Water vapour and carbon dioxide are exchanged
7
Which line correctly matches the function of the tooth types with their position and function?
C
D
A
B
8
Which describes how cells, tissues and organs are organised?
Organs form different tissues in the body
Body cells form different tissues which make organs
Tissues form cells which form organs in the body
Organs form tissues which are made of many types of cell
9
What is the correct sequence of parts in the digestive system?
Mouth -> large intestine -> small intestine -> gullet
Mouth -> gullet -> stomach -> small intestine
Mouth -> stomach -> gullet -> large intestine
Mouth -> gullet -> large intestine -> small intestine
10
Breathed out air is different from breathed in air. Which describes one change?
Breathed out air has more oxygen
Breathed out air has more carbon dioxide
Breathed out air is colder
Breathed out air has more oxygen
11
Which gives the correct function of cilia in the breathing system?
Moves sticky mucus up the windpipe
Traps dust and germs
Transports oxygen
Causes sneezing
12
What happens when food is digested?
Small molecules become insoluble
Small molecules become soluble
Large molecules become soluble
Large molecules become insoluble
13
A pupil measures 30 heartbeats in 15 seconds. What is the pupil's pulse rate per minute?
45
120
60
450
14
Why do you need to breathe faster during exercise?
To show that you can move fast
To keep your lungs working properly
To keep your body lighter
To supply more oxygen to your muscles
15
What is peristalsis?
Feeling hungry at meal times
Food moving through the digestive system
Mixing your food with saliva
Careful chewing of food
16
What is the function of enzymes in the body?
To speed up chemical reactions
To digest and breakdown food
To keep you regular
To slow down chemical reactions

S1 Biology revision - human body Flashcards | StudBud