The Human Body

Which body system helps you breathe?

• Circulatory system

• Respiratory system

• Muscular system

• Digestive system

Where does your blood go when it leaves your heart?

• Blood goes to the lungs to get oxygen.

• Blood goes to the veins to get oxygen.

• Blood goes to the digestive system to be digested.

• Blood goes to the hands to catch a ball.

What organ is the center of your circulatory system?

• Legs

• Feet

• Stomach

• Heart

Blood in your arteries is ________ because it has oxygen.

• bright blue

• bright red

• bright green

• bright purple

The excretory system removes __________products from your body.

• waste

• bananas

• blood

• stomach

The digestive system breaks down _________ you eat and turns it into ____________.

• blood, energy

• muscles, energy

• food, energy

• energy, food

Which systems supports your body?

• Skeletal system

• Muscular system

• Circulatory system

• Digestive system

Your brain uses ________ to communicate to every ________.

• bubblegum, ear

• food, energy

• words, bone

• nerves, cell

The ____________controls breathing and pumping blood.

• brain stem

• ice cream sundae

• football

• jump rope

The _________ inside your bones makes new blood cells.

• bones

• skin

• marrow

• stomach