AS biology- animal transport mini quiz

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  • Created by: Heiwa
  • Created on: 27-11-12 13:50
What is an open circulatory system?
where blood is in direct contact with the tissue,not in vessels.
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the 3 main criteria for needing a transport system are...
level of activity, size of the animal and surface area to volume ratio
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define single circulation
where blood passes through the heart once each time it circulates the body
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pulmonary circulation is the movement of blood from the heart to the ....
lungs
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what does the SAN do?
sets rhythm of the heart beat,sends out regular waves of electrical activity, causes atrium to contract at the same time
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the heart wall is made up of what muscle?
myocardium
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what are the 3 stages of the cardiac cycle?
diastole,atrial systole and ventricular systole
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what forces blood through the heart?
pressure changes
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what controls the direction of blood flow in the heart?
heart valves
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during diastole all of the chambers of the heart are....
relaxed
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cardiac muscle (myocardium) is myogenic, what does this mean?
It can create it's own rhythm
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the bundle of His is ....
conductive fibres found in the septum, that carry impulses to the ventricles causing them to contract simultaneously
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the Purkyne tissue is ...
a group of muscle fibres found in the ventricular walls that receive electrical impulses from the perkyne tissue, which makes the ventricles contract simultaneously.
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As the muscles in the walls of the heart contract, the volume is reduced and the pressure is ....
increased
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what is the purpose of the band of fibres between the atria and ventricles?
to prevent the spread of excitation spreading to the ventricle walls
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on an ECG what does the letter P represent?
excitation spreading over the atria
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what are the 3 main functions of the blood?
to transport material, to protect against disease and to clot
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what is serum?
plasma which has the protein fibrogen removed to prevent clotting
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Where is tissue fluid formed?
as blood passes through the capillaries
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hydrostatic pressure is the pressure that blood is under in the capillaries. what causes this pressure?
contraction of the ventricles
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at what end of the capillary is hydrostatic pressure greater at?
the arteriole end
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hydrostatic pressure forces what 3 blood components out of the capillaries?
water,ions and small molecules
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solute potential of the blood, is also a pressure found in the blood. what liquid does it draw into the capillaries?
water
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if tissue fluid doesn't return to the capillaries it causes a swelling known as an...
oedema
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fluid tissue is collected in vessels in the lymphatic system where it is then known as lymph. what vessel is it collected in?
lacteals in the lymphatic system
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lymph has the same composition as tissue fluid but has...
more CO2 and less O2
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what causes the movement of lymph in the lymph vessels?
contraction of skeletal muscles
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Other cards in this set

Card 2

Front

the 3 main criteria for needing a transport system are...

Back

level of activity, size of the animal and surface area to volume ratio

Card 3

Front

define single circulation

Back

Preview of the front of card 3

Card 4

Front

pulmonary circulation is the movement of blood from the heart to the ....

Back

Preview of the front of card 4

Card 5

Front

what does the SAN do?

Back

Preview of the front of card 5
View more cards

Comments

Swallowtail

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A useful set of basic, straightforward questions on flashcards to test your knowledge of circulation and the cardiac cycle which would be useful to print off and use, or combine with a quiz and a set of notes with annotated diagrams for a complete set of resources.

HughAsher

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This quiz has absolutely nothing to do with Animal Transport!

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