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$(I)$ Transports the atmospheric air to the alveoli.
$(II)$ Clears it from foreign particles.
$(III)$ Humidifies respiratory system.
$(IV)$ Brings air to body temperature
| List $I$ | List $II$ |
| $A$. Taenia | $I$. Nephridia |
| $B$. Paramoecium | $II$. Contractile vacuole |
| $C$. Periplaneta | $III$. Flame cells |
| $D$. Pheretima | $IV$. Urecose gland |
Choose the correct answer from the options given below:
$a$. It holds the different neighbouring cells together.
$b$. It is composed of Mg pectate only.
$c$. It gets dissolved during ripening of fruits.
Correct statements is/are