Question 9
Question 9 of 40
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
9. Human gas exchange
9.1. Human gas exchange

Identify, on diagrams and images, the ribs, internal and external intercostal muscles and the diaphragm

8. Human nutrition
8.2. Human digestive system

Describe peristalsis as waves of contractions of longitudinal and circular muscles which move food through the digestive system