EVERYDAY SCIENCE

Detailed explanation-1: -They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe. If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm’s circulatory system, and the worm’s hearts pump the oxygenated blood to the head area.

Detailed explanation-2: -Earthworms do not have lungs. They breathe through their skin. Oxygen and carbon dioxide pass through the earthworm’s skin by diffusion.

Detailed explanation-3: -Earthworms try to stay out of sunlight because the heat from the sun dries out their skin. If an earthworm’s skin becomes too dry, it wouldn’t be able to breath, and it would die.

Detailed explanation-4: -Earthworms lack specialised breathing devices. Respiratory exchange occurs through moist body surface into their blood stream. If the skin of earthworm becomes dry, it dies due to asphyxia.

Detailed explanation-5: -How do earthworms breathe? Earthworms do not have lungs; instead, they breathe through their skin. Their skin needs to stay moist to allow the passage of dissolved oxygen into their bloodstream. Earthworm skin is coated with mucus, and they need to live in a humid, moist environment.