Bill Nye: Bones & Muscles

What is the primary function of bones and muscles working together in the human body?

• To produce heat and maintain body temperature.

• To provide structure and enable movement.

• To digest food and absorb nutrients.

• To filter waste products from the blood.

Which components connect muscles to bones and bones to other bones, respectively?

• Cartilage and tendons

• Tendons and ligaments

• Ligaments and cartilage

• Muscles and tendons

What happens to bones when their minerals are removed, such as by soaking them in an acid like vinegar?

• They become harder and more brittle.

• They become soft and flexible.

• They dissolve completely, leaving no trace.

• They change color but retain their original strength.

What is cartilage, and where can it be found in the human body?

• A hard, rigid tissue that forms the main structure of bones.

• A soft, rubbery tissue found in places like the ears, nose, and between ribs.

• A type of muscle tissue responsible for involuntary movements.

• A fluid that lubricates joints and reduces friction.

What is the main role of the human skeleton?

• To produce blood cells.

• To store fat.

• To provide a framework and support the body.

• To protect internal organs only.

Which statement about the human body is incorrect?

• Teeth are the strongest bones in the skeleton.

• There are three bones in each ear.

• There are over 600 separate muscles in the body.

• The human body has exactly 206 bones at birth.

Which type of joint allows movement in two directions, as demonstrated by the thumb?

• Hinge joint

• Ball and socket joint

• Saddle joint

• Fixed joint

What are the three main components that make up a bone?

• Cartilage, marrow, and ligaments.

• Periosteum, compact bone, and cancellous bone.

• Tendons, spongy tissue, and calcium.

• Blood vessels, nerves, and bone marrow.

What primarily contributes to the strength of bones?

• Water content

• Minerals

• Muscle fibers

• Cartilage

What are the individual small bones that make up the human backbone called?

• Tendons

• Ligaments

• Vertebrae

• Ribs