A Level Biology - Transport in animals - Statistics

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This quiz has been taken 52 times
The average score is 16 of 32

Answer Stats

Definition	Keyword	% Correct
Vessels that carry blood away from the heart	Arteries	85%
The fluid used to transport materials around the body	Blood	76%
Very small blood vessels with very thin walls	Capillaries	76%
Vesselos that carry blood back to the heart	Veins	74%
The red pigment used to transport oxygen in the blood	Haemoglobin	68%
The fluid portion of the blood	Plasma	68%
One in which the blood flows through the heart twice for each circuit of the body	Double circulatory system	65%
The fluid held in the lymphatic system, which is a system of tubes that returns excess tissue fluid to the blood system	Lymph	59%
The fluid surrounding the cells and tissue	Tissue fluid	59%
One in which the blood flows through the heart once for each circuit of the body	Single circulatory system	56%
Small patch of tissue that sends out waves of electrical excitation at regular intervals in order to initiate contractions	Sino-atrial node	56%
Small blood vessels that distribute blood from an artery to the capillaries	Arterioles	53%
Valves between the atria and the ventricles, which ensure that blood flows in the correct direction	Atrio-ventricular valves	53%
A trace that records the electrical activity of the heart	Electrocardiogram	53%
Valves that prevent blood re-entering the heart from the arteries	Semilunar valves	53%
Specialised muscle found in the walls of the heart chambers	Cardiac muscle	50%
Small blood vessels that collect blood from capillaries and lead into the veins	Venules	50%
One in which the blood is held in vessels	Closed circulatory system	47%
One in which the blood is not held in vessels	Open circulatory system	47%
The enzyme that catalyses the combination of carbon dioxide and water	Carbonic anhydrase	44%
The pressure that a fluid exerts when pushing against the sides of a vessel or container	Hydrostatic pressure	41%
Muslce that can initiate its own contraction	Myogenic	41%
The type of haemoglobin usually found only in the fetus	Fetal haemoglobin	38%
The pressure created by the osmotic efects of the solutes	Oncotic pressure	38%
The movement of substances such as oxygen, nutrients, hormones, waste and heart around the body	Transport	38%
The sequence of events in one full beat of the heart	Cardiac cycle	35%
A strong attraction	Affinity	32%
The movement of chloride ions into the erythrocytes to balance the charge as hydrogencarbonate ions leave the cell	Chloride shift	32%
Means releasing the oxygen from the oxyhaemoglobin	Dissociation	26%
The effect that extra carbon dioxide has on the haemoglobin, explaining the release of more oxygen	Bohr effect	24%
The compound formed by the buffering action of the haemoglobin as it combines with excess hydrogen ions	Haemoglobinic acid	18%
Consists of specially adapted muscle fibres that conduct the wave of excitation from the AVN down the septum to the ventricles	Purkinje fibres	15%

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