MID SEMESTER KELAS 4A

How many bones are in the human skeleton?

• 115

• 206

• 199

The bones inside our body that are joined together to form a frame

• Muscle

• Skeleton

• Vertebrate

Bones that protect our brain

• Skull

• Upper Arm bones

• Rib

Bones that allow us to chew food

• Skull

• Jaw

• Spine

When muscle get shorter we pull on the bones. We called this

• Contract

• Relax

• Biceps

Bones protect our organs lungs and heart

• Spine

• Jaw

• Rib cage

When the muscle get longer. The pulling movement allows you to move and to the action that you want

• Contract

• Relax

• Triceps

Vertebrate is animal that have backbone. There are five groups of animals that we can short into vertebrate, unless?

• Mammals

• Reptiles

• Insects

Animals with no backbone?

• Vertebrate

• Invertebrate

• Exoskeleton

Which animals in this picture are invertebrates?

• e, f, g

• d, e, f, g

• e, d, f