7. Science Ch 4

Which chambers contain blood high in oxygen, blood low in oxygen?

• Left Atrium

• Left Ventricle

• Right Atrium

• right ventricl

• Aortia

Veins

• carry blood away from the heart

• carry blood to the heart

• carries blood to the body

• carries blood up the body

Arteries carry blood______ (from or to) the heart

Capillaries

• Substances are exchanged between the blood and the body.

• carry blood to the heart

• carry blood AWAY from the heart.

The direction of blood flow in the arteries and veins

• 1blood travels from the heart to the lungs and then back into the heart.

  
  

  2In the second loop, blood travels from the heart throughout the body and then back to the heart

• 1blood travels away from the heart to the lungs and then back into the heart.

  
  

  2In the second loop, blood travels from the heart throughout the body and then back to the lungs

What factors help keep blood flowing in the veins?

• Artery

  Capilarries

  Viens

• Viens

  Capillaries

  Artery

• Capillaries

  Artery

  Viens

• Artery

  Viens

  Capillaries

• Viens

  Artery

  Capillaries

blood pressure is The force by which ventricles _________and cause blood pressure.

What causes blood pressure?

• Diet (high in salt)

• High cholesterol

• migraines

• damage of the heart

NOTE

What 2 numbers in a blood pressure reading indicate?

The 1st number is a measure of blood pressure when the ventricles contract. The second, lower number measures blood pressure while the ventricles relax.

• GOT IT

• GOT IT

What makes up the cardiovascular system?

• Heart

• Arteries

• Vien

• Capillaries

• lungs