What I Know...

Which of the following animals can use its skin for breathing?

• Fish

• Frog

• Scorpion

• Turtle

Which of the following organisms have spiracles?

• Birds

• Earthworms

• Grasshoppers

• Snakes

Which of the following pairs is MISMATCHED?

• cutaneous respiration - cockroach

• gills - fish

• lungs - penguin

• tracheal system - ant

Which of the following refers to the pair of openings located in an insect's abdomen?

• Air sacs

• Alveoli

• Spiracles

• Tracheae

Which of the following respiratory organ is NOT closely associated with blood supply?

• gills of a fish

• lungs of a vertebrate

• skin of an earthworm

• tracheal system of an insect

What type of blood vessel surrounds the alveoli?

• Arteries

• Capillaries

• Nerves

• Veins

Which is NOT a respiratory structure of animals?

• Gills

• Book lungs

• Skin

• Stomata

Which part of the plant has the most abundant amount of stomata?

• Flowers

• Leaves

• Roots

• Stems