Blood and Blood Cells

Identify the substance labeled "B" in this vial of blood.

• Buffy Coat (platelets and WBCs)

• Formed Elements (RBC)

• Plasma

Formed elements (RBCs) make up ______% of blood.

• <1%

• 45%

• 55%

• 0%

This is a blood smear. What type of cell is indicated by the YELLOW arrow?

• erythrocyte (RBC)

• megakaryocyte

• leukocyte (WBC)

• thrombocyte (platelet)

Tags

NGSS.MS-LS1-1

This is a blood smear. What type of cell is indicated by the RED arrow?

• erythrocyte (RBC)

• megakaryocyte

• leukocyte (WBC)

• thrombocyte (platelet)

Tags

NGSS.MS-LS1-1

What is the function of a erythrocyte?

• functions in transport of oxygen bound to hemoglobin and also transports small amounts of carbon dioxide

• needed for blood clotting; initiates the clotting cascade by clinging to a torn vessel

• defends the body against infection and disease by ingesting foreign materials or by producing antibodies

Another name for red blood cell is

• erythrocyte

• hemocytoblast

• leukocyte

• thrombocyte

Erythrocytes contain the protein ______ that carries oxygen.

• hemoglobin

• melanin

• keratin

• collagen

Tags

NGSS.MS-LS3-1

Which blood cell contains hemoglobin?

• Erythrocytes (RBC)

• Leukocytes (WBC)

• Thrombocytes (platelets)

Tags

NGSS.MS-LS1-3

Where does blood cell formation (hematopoiesis) take place, producing new blood cells?

• red bone marrow

• yellow bone marrow

• elastic cartilage

• articular cartilage

Tags

NGSS.HS-LS1-4

White blood cells can be classified as granulocytes or agranulocytes. Which type is shown with letter A?

• granulocytes

• agranulocytes