Multicellular Organisms - Frogs

What type of organism is a frog?

• Unicellular organism

• Multicellular organism

• Non-cellular organism

• Prokaryotic organism

How do frogs differ from humans in their respiration?

• Frogs only use lungs to breathe.

• Frogs breathe continuously like humans.

• Frogs use lungs, skin, and mouth for breathing.

• Frogs only breathe underwater.

Which respiration method is primarily used by frogs?

• Lungs

• Skin

• Mouth

• Nostrils

Why do frogs need to keep their skin moist?

• To protect themselves from predators.

• To enable diffusion of oxygen through their skin.

• To help them jump higher.

• To regulate their body temperature.

How does gas exchange occur through a frog’s skin?

• Through breathing into their lungs.

• By absorbing oxygen through mucus.

• By diffusing oxygen into blood vessels near the skin’s surface.

• By actively pumping oxygen into cells.

What role does mucus play in a frog’s respiration?

• Helps in digesting food.

• Protects the skin from drying out, aiding in breathing.

• Absorbs carbon dioxide.

• Prevents oxygen from entering the skin.

How does a frog breathe through its mouth?

• By using its lungs to circulate oxygen from the mouth.

• By diffusing oxygen directly into the bloodstream through the mouth lining.

• By trapping air and swallowing it.

• By inhaling oxygen through its tongue.

What gases are involved in a frog's gas exchange?

• Oxygen and nitrogen

• Oxygen and carbon dioxide

• Carbon dioxide and nitrogen

• Oxygen and helium

How do frogs exhale carbon dioxide when breathing through their mouth?

• Through their skin.

• By expelling it through their lungs.

• By diffusing it out of the mouth into the environment.

• By storing it in mucus glands.

Which statement about frogs' lungs is correct?

• Frogs use their lungs to breathe continuously like humans.

• Frogs use their lungs only when necessary.

• Frogs cannot breathe through their lungs.

• Frogs use their lungs only underwater.