BTEC Applied Science Unit 5 Exam Questions & Answers

BTEC Applied Science Unit 5
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Cardiac muscle that divides the left and right side of heart



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1 Function of the Aorta 2 Function of Purkinje Fibres




3 Function of the Left Pulmonary Vein Function of the Septum



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, Terms in this set (105)


Function of the Right Carried deoxygenated blood to the right lung
Pulmonary Artery

Carries oxygenated blood from the left ventricle to the rest
Function of the Aorta
of the body

Function of the Left Carries deoxygenated blood to the left lung
Pulmonary Artery

Function of the Left Carries oxygenated blood to heart from left lung
Pulmonary Vein

Function of Semilunar Valve prevent backflow of blood from aorta to ventricles

Function of the Prevent backflow of blood from Left Ventricle to Left Atrium
Atrioventricular (Bicuspid)
Valve

Function of the Septum Cardiac muscle that divides the left and right side of heart

Carry nerve impulses to ventricles to ventricles to aid
Function of Purkinje Fibres
contraction

Function of the Inferior Vena Carries deoxygenated blood from the lower body to the
Cava heart

Function of the Bundles of His transmit impulses from AV Node to ventricles

Function of Atrioventricular Prevent backflow of blood from Right Ventricle to Right
(Tricuspid) Valve Atrium

Function of Sinoatrial Node The pacemaker of the heart, which is responsible for the
(SA Node) regular contraction of the heart muscle.

Function of the Right Carry oxygenated blood to the heart from right lung
Pulmonary Vein

Function of the Superior Vena Carry deoxygenated blood from upper body to Right Atrium
Cava

Step 1 of Blood Aorta relax and fill with blood from Superior and Inferior
Flow(deoxygenated) Vena Cavae

Step 2 of Blood Flow Atria Contract (Atrial Systole) which forces AV valves open
(deoxygenated) and blood moves through to fill ventricles

Step 3 of Blood AV Valves close shut to prevent backflow
Flow(deoxygenated)

Step 4 of Blood Flow Ventricles contract (Ventricular Systole) - increases pressure
(deoxygenated)