Round 1
Round 2
Round 3
100

Why do we breathe?

We breathe to take in oxygen, which our cells need to obtain energy.

100

What does breathing expel?

Carbon dioxide.

100

What are the two respiratory movements of breathing?

1. Inhalation

2. Exhalation

200

During ___, the ___ and the ___ get bigger.

inhalation, rib-cage and lungs

200

During exhalation, the ___ and the ___ get ___.

rib-cage, lungs and smaller

200

What is the blood made up of? (2 things)

The blood is made up of plasma and red blood cells.

300

What divides the heart into two halves?

A vertical wall. Each half has an atrium and a ventricle.

300

Where are the capillaries located?

They are located between the arteries and the veins.
300

What is the urinary system made up of? (3 things)

The urinary system is made up of the kidneys, the bladder and the urinary tract.

400

What is another name for white blood cells?

Leukocytes.

400

The ___ is an organ made of muscles that ___ and ___.

heart and relax

400

How much of the blood is plasma as a percentage (%)?

55%

500

Name at least three parts of the respiratory system.

Any relevant parts, e.g: nasal cavity/nostrils, trachea, lung, bronchus, bronchiole, alveoli, ribs, diaphragm

500

Name at least three parts of the circulatory system.

Any relevant parts, e.g: capillaries, pulmonary artery, pulmonary vein, right atrium, left atrium, vena cava vein, aorta, right ventricle, left ventricle

500

Name at least three parts of the urinary system.

Any relevant parts, e.g: kidney, renal artery, renal vein, blood from kidneys, blood to kidneys, bladder, ureter, urethra

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