Skin
Bone Basics
Muscle Power
Types of joints
Putting it together
100

What is the largest organ in the human body?

The Skin

100

What system includes all the bones in your body?

Skeletal System

100

What system allows your body to move?

Muscular system

100

What type of joint is your knee?

Hinge joint

100

What system protects organs and gives the body shape?

Skeletal system

200

What are the three main layers of the skin?

Epidermis, dermis, hypodermis

200

What is the hard outer layer of bone called?

Compact bone

200

What type of muscle is attached to bones?

Skeletal muscle

200

What type of joint allows movement in all directions (like the shoulder)?

Ball-and-socket joint


200

What connects muscles to bones?

Tendons

300

Which layer of skin contains blood vessels and nerves?

Dermis

300

What is the soft tissue inside bones that makes blood cells?

Bone marrow

300

What do muscles do to create movement?

Contract and relax

300

What type of joint allows little to no movement?

Fixed joint

300

Why do bones and muscles need to work together?

To allow movement

400

What pigment gives skin its color?

Melanin

400

What are the places where two bones meet called?

Joints

400

What type of muscle is found in your heart?

Cardiac muscle

400

What type of joint allows side-to-side movement (like your wrist)?

Gliding joint

400

What part of the skin helps protect against germs?

Epidermis

500

What is the main function of sweat?

To regulate body temperature

500

What mineral makes bones strong and hard?

Calcium

500

What are muscles that work in opposite pairs called?

Antagonistic muscles

500

What connects bones to other bones?

Ligaments

500

What would happen if your muscles couldn’t contract?

You wouldn’t be able to move