The Heart Flashcards
What is the primary function of the heart?
To pump blood throughout the body.
True or False: The heart has four chambers.
True.
Fill in the blank: The left atrium receives blood from the _______.
lungs.
What are the two main types of blood vessels that connect to the heart?
Arteries and veins.
Which chamber of the heart pumps oxygenated blood to the body?
Left ventricle.
Multiple Choice: Which valve prevents backflow of blood from the aorta into the left ventricle? A) Tricuspid Valve B) Mitral Valve C) Aortic Valve D) Pulmonary Valve
C) Aortic Valve.
What is the role of the sinoatrial (SA) node?
To act as the natural pacemaker of the heart.
True or False: The right side of the heart deals with oxygenated blood.
False.
Fill in the blank: The _______ carries deoxygenated blood from the body to the heart.
vena cava.
What is the term for the contraction phase of the heart cycle?
Systole.
What does the pulmonary artery do?
Carey’s the blood from the heart to the lungs
What’s does the pulmonary vein do?
Oxygenated blood comes into the heart through the lungs. From this vein
What is a pacemaker
Natural resting heart rate is controlled by these cells
