Fish use GILLS to get _____ from the environment.
carbon dioxide
oxygen
Horses are ____.
omnivores
carnivores
herbivores
Sharks are _________.
herbivores
carnivores
omnivores
What system is this?
It's tracheal system.
It's skin.
It's a gill.
How do worms repire?
Worms get oxygen through body surface.
Worms get oxygen through lungs.
Worms get oxygen through gills.
_______ have tracheal system to respire.
fish
birds
insects
How do animals repire?
They take in Oxygen and release Carbon dioxide.
They take in Carbon dioxide and release Oxygen.
What are they?
They're lungs.
They're stomach.
They're skin.
They're gills.
How do humans get oxygen?
Humans use SKIN to get oxygen from the environment.
Humans use GILLS to get oxygen from the environment.
Humans use LUNGS to get oxygen from the environment.
What are they?
They're STOMACH.
They're GILLS.
They're TRACHEAL SYSTEM.