T1L1 The heart Flashcards

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1
Q

Name the 4 chambers of the heart

A

Left ventricle, Left atrium, Right ventricle and Right atrium

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2
Q

Name the vessel that carries oxygenated blood into the heart

A

Pulmonary vein

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3
Q

Name the vessel that carries oxygenated blood to the body

A

Aorta

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4
Q

Name the vessel that carries deoxygenated blood into the heart

A

Vena Cava

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5
Q

Name the vessel that carries deoxygenated blood to the lungs

A

Pulmonary artery

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6
Q

Name the (4) valves in the heart and where they are located

A

Bicuspid valve - between the left atrium and left artery

Tricuspid valve - between the right atrium and right artery

Semilunar valves x2 - in pulmonary artery out of the heart, other in aorta out of the heart

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7
Q

Name the three stages of the cardiac cycle in order

A
  1. Atrial Systole
  2. Ventricular systole
  3. Diastole
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8
Q

Describe what happens in atrial systole

A

Atria contract and Ventricles relax

This increases the pressure of the blood, forcing it through the atrioventricular valves into the ventricles

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9
Q

Describe what happens in ventricular systole

A

Ventricles contract

This increases pressure in the ventricles, forcing blood through the semilunar valves and out of the heart

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10
Q

Describe what happens in diastole

A

Atria and ventricles relax
Semilunar valves close
Blood starts to fill up in the atria

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11
Q

Which chamber are pacemaker cells located in

A

The right atrium

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