Biology 10th grade circulatory system

Where is the heart located

What is voluntary muscle and involuntary muscle

• We can control/ we can’t control

• we can control every muscle

• We can’t control every muscle

• ..

What are the types of blood vessels

Which is called ( the largest vessel)??

• Arteries

• Capillaries

• Aorta

• Veins

What is the function of the arteries

• Carry blood from heart and distribute o2

• Carry blood to the heart and takes co2

• Exchange o2 and co2 , nutrients, etc

• ..

What is the function of the valves

• Exchange of o2 and co2

• Prevent backward flow of the blood

• Carry blood to the heart

• Carry blood away from the heart

Why does the Artery needs to be strong ?

Who has more flow than the arteries ? And why

Where do we have less blood vessels

• Heart

• Lungs

• Body fat

• Ear grease

What is the heart structure