Standard Science Primary 5 Systems

Which of the following correctly describes the direction of blood flow in the human body?

A Lungs -> Heart -> Rest of the body -> Heart -> Lungs
B Heart -> Lungs -> Rest of the body -> Heart
C Heart -> Rest of the body -> Lungs -> Heart
D Rest of the body -> Lungs -> Heart -> Rest of the body
Show Worked Solution

Worked Solution

Step 1: Oxygenated blood from lungs goes to the heart. Step 2: Heart pumps oxygenated blood to the rest of the body. Step 3: Deoxygenated blood returns to the heart. Step 4: Heart pumps it to the lungs for more oxygen.

Correct answer: Lungs -> Heart -> Rest of the body -> Heart -> Lungs

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free