BIM - The heart, arteries, veins and capillaries

Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

The thickest and strongest blood vessel is the

• vein

• artery

• capillary

• both veins and capillaries

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

Carry blood toward heart; mostly oxygen-poor

• Arteries
• Veins
• Capillaries

Blood consists of:

• the heart and the veins

• blood cells and arteries

• plasma and blood cells

How many chambers does the heart have?

• 6

• 4

• 2

What happens in systole phase?

• The heart contracts and sends bloods to the arteries.

• The heart relaxes and blood enters from the veins.

What happens in diastole phase?

• The heart contracts and sends bloods to the arteries.

• The heart relaxes and blood enters from the veins.

The aorta is the largest artery in the body. The blood leaving the aorta  is full of?

• Oxygen 
• Carbon Dioxide 
• White blood Cells 
• Potassium