Biology

Josephine Paul

31 January, 12:40

The steps involved in gas exchange in a fish are shown in random order.

V - Water passes over the gills.

W - Water moves through the mouth.

X - Water passes through slits on both sides of the fish.

Y - Oxygen moves into the blood.

Z - Carbon dioxide moves into the water. Which lists the correct order of the steps?

A) V, W, X, Y, Z

B) X, Z, W, V, Y

C) W, X, Y, Z, V

D) W, V, Y, Z, X