Circulatory System

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Type of circulation that refers to blood flow from the heart to the lungs and back to the heart again?

• Systemic circulation

• Renal circulation

• Portal circulation

• Pulmonary circulation

Your heart is about the size of your __________.

• mouth

• fist

• show

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Which is the correct definition of the Circulatory system?

• The system fights disease so the body stays healthy.
• The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
• Breaks down food into smaller pieces and absorbs those nutrients into the body.
• Provides shape and structure for the body.

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

In which system of the human body does the heart belong?

• Nervous
• Skeletal
• Cardiovascular
• Digestive