Question

How is the breathing process in animals like earthworms, cockroaches and frogs different from human beings? [3 MARKS]

Answer 1

Differences: 1 Mark each

Human beings have well-defined organs to breathe. We breathe through our lungs.
Cockroaches have small openings called spiracles on the sides of its body. The air rushes through the spiracles and reaches tracheal tubes, then diffuses into the body tissues and reaches every cell.
Frog breathes through its skin under water. On land frog uses lungs to breathe. Earthworm also breathes through its skin.