Circulatory System

Identify

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

Identify

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

Identify

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

Tags

NGSS.MS-LS1-3

Identify

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

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Which chambers of the heart are the thickest and strongest?

• Atria
• Ventricles
• Valves
• Aorta

Thin-walled vessels that allow for the diffusion of O_{2 ,} CO₂, nutrients and wastes between blood cells or air sacs in the lungs

• Arteries

• Veins

• Capillaries

What does Deoxygenated mean?

• Oxygen-rich
• Blood flow
• Oxygen-poor
• Water Flow

Tags

NGSS.HS-LS1-7

A flap of tissue that prevents blood from flowing backward

• Aorta
• Atrium
• Septum
• Valve

  Compared to arteries, veins 

• have a pleated endothelium.
  
• have thinner walls.
  
• have more smooth muscle in their tunica media. 
• hold their shape better when cut. 

Tags

NGSS.MS-LS4-2