How Humans Work

What body system helps break down food?

• Nervous system

• Circulatory system

• Digestive System

• Skeleton system

What is the purpose of our skeleton?

• To protect our organs

• To support our bodies

• To make blood cells

• All of the answers

What is the longest bone in the body?

• Humerous

• Femur

• Spine

• Radius and Ulna

How many bones are in our bodies?

• 262

• 226

• 602

• 206

Which bones protect our heart and lungs?

What does self-regulation mean?

• Self-regulation is the ability to control our behavior, emotions, and thoughts.

• Self-regulation is the ability to regulate our temperature.

• Self-regulation is the ability to listen carefully to instructions.

• Self-regulation is how we breathe.

What happens to your heartrate after you exercise?

• Increases

• Decreases

• Stays the same

What organ is primarily responsible for pumping blood throughout the body?

• Heart

• Liver

• Kidneys

• Lungs

What is the main function of red blood cells?

• To carry oxygen

• To fight infections

• To transport nutrients

• To clot blood

What is the largest muscle in your body?

• biceps

• pectoral

• triceps
• gluteus maximus