The Blood - Composition and Function

What is one of the primary functions of blood?

• Transporting waste to the brain

• Transporting gases to and from tissues

• Transporting sound waves

• Transporting light signals

What is the primary function of hemoglobin?

• Carrying nutrients

• Carrying oxygen and carbon dioxide

• Carrying waste products

• Carrying hormones

What is the viscosity of blood compared to water?

• 1-2 times more viscous

• 3-4 times more viscous

• 5-6 times more viscous

• Same as water

Deoxygenated blood is a dark red/purplish color and has ~____% oxygen saturation.

• 0%

• 50%

• 99%

• 75%

What is a characteristic of red blood cells?

• They contain organelles

• They are larger than white blood cells

• They are anucleate

• They have a high surface area

What is the function of eosinophils?

• Produce antibodies

• Release digestive enzymes to attack parasites

• Dilate veins during infection

• Transport oxygen

What is the role of lymphocytes in the immune system?

• Produce hydrogen peroxide

• Act against viruses and tumor cells

• Consume pathogens via endocytosis

• Release histamines

What is the process of blood cell production called?

• Hematopoiesis

• Photosynthesis

• Metabolism

• Respiration

Tags

NGSS.HS-LS1-4

Where does hematopoiesis occur?

• Liver

• Bone marrow

• Heart

• Lungs

What is the primary function of platelets?

• Transport oxygen

• Fight infections

• Plug damaged vessels to stop blood loss

• Produce antibodies