Respiratory System of Earthworm, Cockroach and Frog

What is the primary function of respiration in organisms?

• To circulate blood

• To produce energy

• To exchange gases

• To digest food

How does an earthworm primarily exchange gases?

• Through gills

• Through spiracles

• Through lungs

• Through its skin

What happens to an earthworm if its skin dries out?

• It suffocates

• It becomes more active

• It grows faster

• It changes color

What are the respiratory openings in a cockroach called?

• Lungs

• Alveoli

• Gills

• Spiracles

In a cockroach, where does the oxygen dissolve before reaching the tissues?

• In the skin

• In the lungs

• In the tracheoles

• In the blood

What type of respiration does a frog use when in water?

• Gill respiration

• Pulmonary respiration

• Tracheal respiration

• Cutaneous respiration

What role do the lungs play for a frog when it is in water?

• They help in digestion

• They change color

• They assist in floating

• They provide energy