Blood

What is the function of the valves in the heart?

• To separate the chambers

• To prevent backflow of blood

• To prevent blockage in the heart

• To separate the blood

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

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity

which of the blood vessels do you think have greatest blood pressure

• veins

• capillaries

• atria

• arteries

Carry blood away from heart; mostly oxygen-rich

• Arteries

• Veins

• Capillaries

These carry blood to the heart:

• arteries

• veins

• capillaries

• arterioles

If two parents are heterozygous for type A blood, what is the probability that their offspring would have type O blood?

• 100 %

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Name the proteins on the surface of red blood cells.

• Antibodies

• Antigens

• Plasma

• Collagen

Tags

NGSS.MS-LS3-1