Circulatory system
Respiratory system
Muscular system
Nervous System
Skeletal system
100

What organ pumps blood through your body?

The heart

100

What organ do you use to breathe?

The lungs

100

What muscle is attached to your bones?

skeletal muscles

100

What organ controls your body’s actions?

the brain

100

How many bones are in an adult human body?

206

200

What blood vessels carry blood away from the heart?

The arteries

200

What muscle helps you breathe in and out?

The diaphragm

200

Which muscles work without you thinking about them?

involuntary muscles

200

What part of the nervous system includes the brain and spinal cord?

the central nervous system

200

The longest bone in the body is called?

femur
300

Which type of blood cells fight infection?

White cells
300

The tiny air sacs in the lungs are called?

alveoli

300

Muscles are attached to bones by what?

tendons

300

What is the function of neurons?

send messages 

300

What protects the brain?

the skull

400

What liquid carries oxygen and nutrients in the body?

The blood

400

What happens to your breathing rate when you exercise?

increase

400

What is the largest muscle in your body?

gluteus

400

What disease makes that the person forgets things, and people.

Alzheimer's disease

400

What bone group protects the heart and lungs?

the ribe cage

500

Which side of the heart pumps blood to the lungs?

The right side

500

What gas do we exhale?

Carbon dioxide

500

What kind of muscles make up your heart?

Cardiac muscle

500

What part of the brain controls balance and coordination?

the cerebelum

500

Name the five main key components of the skeletal system

bones, ligaments, tendons, joints, and muscle