Describe the pathway of blood from when it enters the heart on the right side to where it leaves the heart on the left side.
- AQA - GCSE Physical Education - Question 11 - 2023 - Paper 1
Question 11
Describe the pathway of blood from when it enters the heart on the right side to where it leaves the heart on the left side.
Worked Solution & Example Answer:Describe the pathway of blood from when it enters the heart on the right side to where it leaves the heart on the left side.
- AQA - GCSE Physical Education - Question 11 - 2023 - Paper 1
Step 1
Blood enters the heart via the right atrium
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Answer
The pathway of blood begins when deoxygenated blood from the body returns to the heart, entering the right atrium through the superior and inferior vena cavae.
Step 2
To the right ventricle
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Answer
From the right atrium, blood flows through the tricuspid valve into the right ventricle.
Step 3
Pulmonary artery or lungs or pulmonary vein
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The right ventricle then contracts, sending blood through the pulmonary valve into the pulmonary artery, which transports it to the lungs for oxygenation.
Step 4
To the left atrium
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Once oxygenated in the lungs, the blood returns to the heart via the pulmonary veins, entering the left atrium.
Step 5
Then into the left ventricle
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Finally, blood moves from the left atrium through the mitral valve into the left ventricle, where it will be pumped out to the rest of the body.
