Skeletal System Quiz

What is the main function of the skeleton?

• Respiration, circulation, and oxygenation

• Support, protection, and structure

• Digestion, absorption, and elimination

• Movement, coordination, and balance

How many bones are there in the human body?

• There are 206 bones in the human body.

• There are 150 bones in the human body.

• There are 300 bones in the human body.

• There are 100 bones in the human body.

Which of the following is not a part of the human skeleton?

• Fingernails

• Muscles

• Teeth

• Hair

What is the largest bone in the human body?

• The humerus is the largest bone in the human body.

• The tibia is the largest bone in the human body.

• The femur is the largest bone in the human body.

• The radius is the largest bone in the human body.

Which of the following is a vertebrate?

• A spider

• A jellyfish

• A snail

• A vertebrate is an animal with a backbone or spinal column. The correct answer is a dog.

Which of the following is an invertebrate?

• An invertebrate is an animal without a backbone or spinal column. Examples of invertebrates include insects, worms, jellyfish, and snails.

• A dog

• A bird

• A fish

What is the basic unit of bone structure called?

• cell

• organ

• osteon

• tissue

Which of the following is not a function of bones?

• Digestion

• Breathing

• Protection

• Movement

Which bone protects the brain?

• skull

• rib

• vertebra

• femur