Human Body Review

Which of the following structures forms a protective layer between the environment and the inside of the body? 

• bone
• skin
• muscle
• blood vessel

Which system in your body has the main job of moving your body? 

• the respiratory system
• the muscular system
• the digestive system
• the circulatory system

What is the system of bones that support the human body called? 

• muscles
• tendons
• skin
• skeleton

Which best describes the function of muscles? 

• to show how strong you are
• to protect the internal organs
• to make bones move
• to connect bones to each other

What structure in the skin is most involved in the sense of touch? 

• fat
• muscles
• goose bumps
• nerve endings

A joint that allows movement only back and forth in one direction is called a _______.

• gliding joint
• hinge joint
• pivot joint
• ball-and-socket joint

______________ are hard material that provides support and protection to the body’s soft tissues.

• bones
• muscles
• toes
• eyes

______________ are formed from tissues that contract and relax, which produces motion.

• bones
• shoulders
• muscles
• eyes

______________ are attached to ______________ and control movement.

• bones are attached to joints

• joints are attached to muscles

• eyes are attached to the orbital socket

• muscles are attached to bones

What is the largest organ in the human body?

• skin

• stomach

• intestine

• heart