Biology: Skeleton, Muscles, and Health

Front

What are the parts of the skeleton?

Back

Skull, Jaw, Rib cage, Spine, Hip, arms bones, leg bones.

Front

What happens when a muscle contracts?

Back

It becomes shorter.

Front

What happens when a muscle relaxes?

Back

It returns to normal or becomes longer.

Front

How do muscles work?

Back

Muscles work in pairs.

Front

What are the types of skeletons?

Back

Vertebrate, Invertebrate, Exoskeleton

Front

What is a vertebrate?

Back

Animals with a backbone.

Front

What is an invertebrate?

Back

Animals without a backbone.

Front

Give examples of vertebrate animals.

Back

Fish, bird, mammal, reptile, amphibian.

Front

Give examples of invertebrate animals.

Back

Jellyfish, worm, octopus.

Front

Give examples of exoskeleton animals.

Back

Crab, beetle, lobster.