Circulatory System Gizmo

Which statement describes the chamber marked with a star?

• It is the right atrium, and it pumps blood to the lungs 
• It is the right ventricle, and it pumps blood to the lungs 
• It is the right atrium, and it pumps blood to the body
• It is the right ventricle, and it pumps blood to the body 

What type of blood vessel returns blood to the heart?

• Artery 
• Vein 
• Capillary 
• None of the above 

In what order does blood flow through the body and heart?

• Rt atrium, Lt atrium, lungs, Rt vent, Lt vent, body. 
• Rt atrium, Lt vent., lungs, Lt atrium, Rt vent., body. 
• Rt atrium, Rt vent., lungs, Lt vent., Lt atrium, body. 
• Rt atrium, Rt vent., lungs, Lt atrium, Lt vent., body. 

Which of these blood samples most likely came from the left ventricle?

• Sample A (Bright Red Blood Cells) 
• Sample B (Dark Red Blood Cells) 
• Both samples could have come from the left ventricle 
• Neither sample could have come from the left ventricle 

Which statement is true?

• All arteries carry oxygen-rich blood.
• All veins carry oxygen-rich blood.
• All arteries except the pulmonary artery carry O2-rich blood
• All veins except the pulmonary vein carry O2-rich blood.

The "lub-dub" sounds of the heart come from the _______.

• Valves closing 
• Blood Whooshing 
• Lungs exhaling at the same time 
• Fact that boys are nervous around girls 

The ________, or "pacemaker", generates the electrical impulses to make your heart beat.

• AED Machine 
• VT Node 
• AT Node 
• SA Node