CORRECT ANSWERS 2026
◉ Electrocardiograph. Answer: an instrument used to record the
electrical activity of the heart
◉ Electrocardography. Answer: The process of recording the
electrical activity of the heart
◉ cardiovascular system consists of. Answer: Heart, blood vessels,
and blood
◉ Function of the heart is. Answer: Pump blood to the lungs to get
oxygen to the rest of the body tissues
◉ Heart weighs about. Answer: 10.6 oz or 300g
◉ Average BPM of heart?. Answer: 72
◉ How many beats per day. Answer: 100,000
◉ How many beats per lifetime?. Answer: 22.5 billion
,◉ Pericardium. Answer: Protects the heart from trauma and
infection
◉ Which arteries do NOT carry oxygenated blood?. Answer:
Pulmonary arteries
◉ The right side of the heart pumps to what circulation. Answer:
Pulmonary circulation
◉ Right side of the heart carries. Answer: deoxygenated blood
◉ Left side of the heart carries. Answer: oxygenated blood
◉ 70% of blood from the LV goes to. Answer: The aorta
◉ Pulmonary and aortic valves are. Answer: Semilunar valves
◉ Tricuspid and bicuspid valves are. Answer: Atrioventricular valves
◉ The site of blood gas exchange is. Answer: Aveoli
, ◉ How many pulmonary veins are on the left side. Answer: 2
◉ How many pulmonary veins are on the right side?. Answer: 2
◉ The innermost layer of the heart is called the. Answer:
endocardium
◉ The muscle layer of the heart is. Answer: myocardium
◉ How many chambers does the heart have?. Answer: 4
◉ How many valves does the heart have. Answer: 4
◉ This type of circulation is from the heart to the body. Answer:
systemic
◉ This type of circulation is from the heart to the lungs. Answer:
pulmonary
◉ The heart's circulation is called. Answer: Coronary circulation