doody circulatory system

The heart has ___ chambers.

• 1
• 2
• 3
• 4

  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

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

Which type of blood vessel has the thickest layer of smooth muscle in its walls?

• Arteries
• Veins
• Capillaries
• Ventricles

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.

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.

Tags

NGSS.MS-LS1-3

What is the main function of the artery?

• It controls your brain and your thought process.
• They carry oxygen- poor blood BACK to the heart.
• Arteries carry oxygen- rich blood AWAY from the heart.
• It receives information (senses) and sends messages to the body about how to react to things.

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

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

• Arteries
• Veins
• Capillaries

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins