Intro - Strand 3 - Transportation Systems

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

What is the main function of the heart ? 

• The heart circulates blood, oxygen, and nutrients throughout the body.
  
• The heart is the control centers for all body activities.
• The heart gets rid of the wastes in your body produced by homeostasis. 
• The heart transports , protection and regulation. Blood transports the following substances: 

A blood vessel that carries blood TO the heart is called ...

• vein
• capillary
• blood vessel
• artery

What do the arteries do?

• pumps blood to the heart
• pumps blood to and from the heart
• carry's blood away from the heart 
• a muscle 

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

The heart has ___ chambers.

• 1
• 2
• 3
• 4

This chamber of the heart RECEIVES blood returning from the body

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

What system works closely with the Circulatory System to maintain O2 levels?

• Nervous System

• Skeletal System

• Digestive System

• Respiratory System

The liquid portion of the blood.

• red blood cells
• white blood cells
• plasma
• platelets

Name the largest artery in the body.  It carries blood from the heart to all of the body’s cells.  

• vena cava
• aorta
• pulmonary artery
• pulmonary vein