Cells and Body Systems

What is the function of the digestive system?

• to break down and absorb nutrients
• to support and protect our bodies
• to produce vitamin D
• to help us move

What function does the heart do?

• Protects organs and produces red blood cells.
• Generates heat.
• Breaks down food into nutrients.
• The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.

What body system consists of the lungs

• Respiratory
• Circulatory
• Muscular
• Skeletal

What body system consists of the heart?

• Excretory
• Digestive
• Circulatory
• Respiratory

The food I eat goes down my esophagus to my __________.

• Bladder
• Kidney
• Stomach
• Big Toe

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• circulatory
• respiratory
• digestive
• skeletal

The __________ is the main organ of the nervous system.

• heart
• lungs
• brain
• skin

___________ are the building blocks of life.

• cells
• legos
• blocks
• blood

The circulatory system uses _________ to deliver oxygen to the rest of the body.

• blood cells
• lungs and nose
• blood vessels
• brain and spinal cord

In multicellular organisms, tissues are comprised of _______.

• organs
• systems
• cells
• blood