Explore the Human Body

What is the largest bone in the human body?

• tibia

• femur

• radius

• humerus

How many bones are there in an adult human skeleton?

• 206

• 204

• 198

• 210

What is the function of muscles in the body?

• To store energy for the body

• To produce hormones and enzymes

• To protect internal organs

• The function of muscles in the body is to facilitate movement, maintain posture, and generate heat.

Which muscle is responsible for pumping blood?

• Lungs

• Diaphragm

• Stomach

• Heart

What connects muscles to bones?

• Tendons

• Muscle fibers

• Cartilage

• Ligaments

What is the name of the bone that protects the brain?

• Skull

• Clavicle

• Ribcage

• Pelvis

How many types of muscles are there in the human body?

• 3

• 4

• 2

• 5

What is the smallest bone in the human body?

• femur

• stapes

• humerus

• tibia

What is the role of the skeletal system?

• The skeletal system regulates body temperature.

• The skeletal system produces hormones.

• The skeletal system supports the body, protects organs, enables movement, stores minerals, and produces blood cells.

• The skeletal system is responsible for digestion.

Which part of the body contains the most muscles?

• The face contains the most muscles.

• The arms contain the most muscles.

• The legs contain the most muscles.

• The back contains the most muscles.