Study the given Venn
diagram and select the incorrect option
regarding organs P, Q and R.
A P could be a sense organ that also helps in
mixing of food with saliva in the mouth.
B Q could be an organ which churns the food so
that it mixes with digestive juices and acid.
C P could be a sense organ that helps to take up
atmospheric air and possesses hair which traps
dust particles and germs.
D R could be an organ that pumps blood to all
other body organs through blood vessels.