IB
IBO
Biology
October 2023
QP-202310-Biology-P1(TZ1)-HL · Question 17
Question (excerpt):
Turn over 17. The image shows a model of a human heart with one chamber labelled R. Which statement is most accurate? A. When the pressure in R increases the semilunar valve closes. B. R contains the …
Turn over 17. The image shows a model of a human heart with one chamber labelled R. Which statement is most accurate? A. When the pressure in R increases the semilunar valve closes. B. R contains the …
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