The human brain controls many functions. The diagram shows a section through the human brain. Which labelled parts would be involved in controlling the solute concentration of blood plasma? (1)

A.
Pand Q
B.
Q and R
C.
Pand R
D.
S and T
Biology
IGCSE&ALevel
EDEXCEL
Exam No:wbi15-01-que-20240608 Year:2024 Question No:2(a)(iii)

Answer:

B

Knowledge points:

CH7 – Respiration, Muscles and the Internal Environment

Solution:

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