Vocabulary
Which structure protects organs, gives a body shape, and helps you move?
Skeleton
Animals with an internal bony skeleton are called what?
Vertebrates
What is a large external covering called?
shell
Which structure pumps blood throughout the body?
Heart
The heart is an internal or external kind of structure?
Internal
Name 3 animals that have an external covering that is waterproof.
Ladybug, Crab, Snail
Which structure brings oxygen into a body from the air?
Lungs
What is a similarity between hearts of vertebrates that live on land and vertebrates that live in water?
They both pump blood.
What other structures protect animals that don't have an exoskeleton?
c _ _ _ _
s _ _ _ _ _
f _ _
f _ _ _ _ _ _ _
s _ _ _
claws
scales
fur
feathers
skin
Which structure brings oxygen into a body from the water?
Gills
What is different between hearts of vertebrates that live on land and vertebrates that live in water?
One pumps blood in one circular direction while the other pumps blood in two circular directions.
What is a hard external covering that is waterproof and protects the soft body?
exoskeleton
Which structure receives information about the environment?
Brain
What are the 4 main parts of a skeleton?
s _ _ _ _
r _ _ _
b _ _ _ _ _ _ _
l _ _ _
skull
ribs
backbone
legs
They protect against temperature changes and allow most birds to fly.