WorksheetsIGPE Chp. 3 Circulatory System
Total questions: 11
Worksheet time: 6mins
Describe the function of the circulatory system
The process of taking oxygen from the mouth/nasal passage, trachea, bronchi, bronchioles, and alveoli
Transporting blood around the body (to the working tissues)/transporting oxygen and nutrients and removing waste products
State the two components of the blood and describe the function of one of these components
WBCs (part of the immune system/defends the body against pathogens), Platelets (helps blood to clot when blood vessels become damaged)
Artery (Carries oxygenated blood to the body), Vein (Carries deoxygenated blood to the heart and lungs for gas exchange)
Name the chemical found in red blood cells that is responsible for transporting oxygen.
Nutrients
Haemoglobin
Protein
Haemogoblin
What is the main function of the capillaries?
Gaseous exchange
Water exchange
Plasma exchange
State the pathway that oxygenated blood takes from the lungs to the working muscles
Enters right atrium via vena cava, enters right ventricle via triscupid valve, exits pulmonary artery into the lungs for gaseous exchange.
Enters left atrium via pulmonary vein, enters left ventricle via bicuspid (atrio-ventricular valve), exits left ventricle via aortic (semi-lunar) valve, aorta carries blood away from the heart to the body
Define the term cardiac output
The volume of blood ejected from the heart in one/single pump
The volume of blood expelled from the heart per minute
Write the equation for calculating cardiac output
Q = SV x HR
MV = TV x BPM
MHR = 220 - age
What is the link between cardiovascular fitness and cardiac output?
The greater the cardiac output, the more blood and oxygen can be transported to the working muscles, improving cardiovascular fitness.
The greater the cardiac output, the less blood and oxygen can be transported to the working muscles, improving cardiovascular fitness.
Calculate cardiac output (in litres per minute or L/min) for an individual with a heart rate of 70bpm and a stroke volume of 100ml)
Q = 6L/min
Q = 9L/min
Q = 7L/min
Q = 8L/min
Calculate the maximum heart rate of a 45 year old
176bpm
173bpm
174bpm
175bpm
What happens to cardiac output during exercise and what causes this to occur?
Increases (due to increases in HR and SV)
Remain the same (due to no changes to SV and HR)
