Each question in this quiz is timed.
Through which vessel does deoxygenated blood enter the heart?
Into which chamber does oxygenated blood enter the heart?
Out of which chamber does deoxygenated blood leave the heart?
Through which vessel does oxygenated blood leave the heart?
True or false? The muscle in the wall of the right hand side of the heart is thicker to pump blood to the lungs.
True or false? Cardiac muscle is supplied with oxygen by the coronary arteries.
Which of these are features of arteries?
Muscular, elastic walls
Which of these are features of veins?
What is a capillary?
A larva of any insect of the order Lepidoptera (butterflies)
A blood vessel that can only transport one red blood cell at a time
An architectural feature found at the top of columns
True or false? Stents are metal meshes filled with a balloon which are used to widen arteries with fatty deposits on them.
Which of these is a way of dealing with badly blocked arteries, where stents do not work?
True or false? Plasma in the blood is coloured bright red.
Which protein is used to transport oxygen in erythrocytes (red blood cells)?
True or false? Red blood cells maximise their surface area by being shaped as a biconcave disc.
True or false? Platelets are responsible for blood clotting, converting fibrinogen into fibrin which forms a mesh over wounds.
Which of these are types of artificial blood?
True or false? Using mechanical artificial hearts carries the risk of blood clotting in the heart.
Which vascular tissue in plants transports sugars made in photosynthesis?
Which vascular tissue in plants transports water and mineral ions?
True or false? The bark of trees is actually made of lignified, dead, xylem cells.