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9AE Quiz

Yr9 Academic Extension - Human Biology Quiz
Part A: Multiple Choice Questions [5 marks]
1. What does the blood carry to the cells every time the heart beats?
A. Iron and magnesium.
B. Water and oxygen.
C. Oxygen and nutrients.
D. Carbon dioxide and water.
2. The components of the circulatory system are:
A. Blood, veins, arteries.
B. Veins, arteries, capillaries.
C. Blood vessels, blood, heart.
D. Heart, lungs, kidney.
3. Osmosis is defined as:
A. Osmosis pertains to the spontaneous net movement of particles down their
concentration gradient.
B. Osmosis is the movement of water or other solvent through a semipermeable
membrane from a region of low solute concentration to a region of high solute
C. Osmosis (also called variability, scatter, or spread) is the extent to which a
distribution is stretched or squeezed.
D. Osmosis is the movement of ions or molecules across a cell membrane into a region
of higher concentration, assisted by enzymes and requiring energy.
4. Blood sent to the body from the heart is ______________ and blood coming back from
the cells is ________________. Fill in the missing words.
A. Oxygenated, deoxygenated.
B. Deoxygenated, oxygenated.
C. Red, black.
D. Black, red.
5. What is the thickest blood vessel in the circulatory system?
A. Valve.
B. Vein.
C. Capillary.
D. Artery.
Part B: Short Answer Questions [10 marks]
1. List the 3 main functions of the circulatory system: (3 marks)
Protection, Transporting substances around the body, Controlling body temperature.
2. Do all arteries pump oxygenated blood? (1 mark)
Arteries carry oxygenated blood away from the heart to the tissues, except for pulmonary
arteries, which carry blood to the lungs for oxygenation.
3. Describe how a bruise forms. What is responsible for the visual aspect of a bruise? (2
An injury that causes tiny blood vessels called capillaries to burst. Blood gets trapped
below the skin's surface, and the coloration effect is a result of blood leaking out of
damaged blood vessels.
4. Add the following words to the diagram where they belong: (4 marks)
Aorta (A)
Aortic Valve (BD)
Bicuspid Valve (BC)
Left Atrium (AE)
Pulmonary Valve (D)
Right Pulmonary Veins (C)
Right Ventricle (AB)
Superior Vena Cava (B)
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