Blood

Which of these is not one of the three main components of blood?

• Erythrocytes

• Leukocytes

• Plasma

• Platelets

An erythrocyte is

• a red blood cell

• a white blood cell

• a clotting agent

• a blood protein

Erythrocytes have two functions. Select both

• carries waste from your cells

• delivers O₂ to your cells

• delivers nutrients to your cells

• carries CO₂ away from your cells

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The scientific name for white blood cell is

• erythrocyte

• leukocyte

• plasmocyte

• golgicyte

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This picture illustrates

• an rh factor

• clotting

• oxygenating the cells

• genotypes of blood

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Select two things shown in this picture

• fibrin

• platelets

• white blood cells

• amino acids

Which sentence is true?

• There are trillions and trillions more red blood cells than white blood cells.

• There are trillions and trillions more white blood cells than red blood cells.

Which sentence is true?

• Red blood cells are much bigger than white blood cells.

• White blood cells are much bigger than red blood cells.

White blood cells live

• 120-130 days

• 6 months

• 2 days

• several years

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Those crazy red blood cells

• fight off diseases

• have many mitochondria

• have more than one nucleus

• don't have a nucleus