Chapter 12 and 14 : Red Blood Cells

Question 1

Red Blood Cells also called

Answer 1

Erythrocytes or hematocrits

Question 2

Red blood cell shape and function

Answer 2

Biconcave disks that transport gases

Question 3

Each RBC if made of 1/3 what

Answer 3

Hemoglobin

Question 4

RBC is a protein molecule bound with what

Answer 4

Iron molecules

Question 5

The iron molecules in RBCs function to do what

Answer 5

Carry O2 to cells and CO2 away from cells

Question 6

What gives RBC their color

Answer 6

Hemoglobin gives blood red color

Question 7

The difference (in color) between oxygenated and deoxygenated blood

Answer 7

O= reddish 
De= bluish (dark red)

Question 8

Anucleate

Answer 8

No nucleus

Question 9

Why can’t red blood cells go through mitosis?

Answer 9

They have no nucleus to tell the cells to reproduce

Question 10

Why are RBC anucleate

Answer 10

The nucleus is extruded as RBCs mature providing more space for Hemoglobin

Question 11

Prenatal RBCs made

Answer 11

in the yolk sac, liver and spleen

Question 12

Postnatal RBCs made

Answer 12

in the red bone marrow

Question 13

Lifespan of RBCs

Answer 13

120 days

Question 14

Macrophages function

Answer 14

Destroy damaged or old RBCs in the liver and spleen

Question 15

RBCs break down into

Answer 15

Heme (then to iron and bilirubin)

Globin (a protein to be used by the body)

Question 16

Iron from broken down RBCs is taken

Answer 16

to the liver to be stored or to the red bone marrow to be recycled into new RBCs