The Heart Part 2

• What are the two separate circuits in the heart?

  Pulmonary Circuit: Where the blood flows through the lungs and back to the heart.

  Systemic Circuit: blood flows around the body then flows back to the heart
• What are the 4 chambers of the heart?

  Right Atrium

  Right Ventricle

  Left Atrium

  Left Ventricle
• Why does the left ventricle has a thicker muscular wall than the right ventricle?

  Has to pump blood all around the body
• Where does the right ventricle pump blood to?

  The lungs
• What does the vena cava do?

  Carries De-oxygenated blood from the body
• What does the pulmonary artery do?

  Carry the blood to the lungs where the blood will be oxygenated
• Once the blood reaches the lungs, the blood leaves the lungs through the ___________ _____ and is carried to the left atrium

  Pulmonary Vein
• What is the Aorta?

  The largest artery in the body, carries the blood around the body to exchange gases and nutrients
• On each side of the heart, the atrium and ventricle are separated by a ______ which prevents the blood from flowing _________

  Valve

  Backwards
• Which blood vessel carries deoxygenated blood from the heart to the lungs?

  Pulmonary artery
• Body tissues ➔ vena cava ➔______  ➔ right ventricle ➔______  ➔ lungs ➔ _________ ➔ left atrium ➔__________  ➔ aorta ➔ body tissues

  Right Atrium

  Pulmonary Artery

  Pulmonary Vein

  Left Ventricle
• Which blood vessel carries oxygenated blood from the heart to the body?

  Aorta
• Pacemaker cells are found in which chamber of the heart?

  Right atrium
• The ____________arteries supply the heart muscle with oxygen and nutrients.

  Coronary
• Function of the veins

  Blood flowing to the heart
• Function of Arteries

  Blood Flowing From The Heart