Red Blood Cell Steps

Question 1

1. Oxygen in lungs diffuses through _ into blood cell

Answer 1

Blood vessel walls

Question 2

1. Once into blood cell, oxygen bonds to hemoglobin, forming _

Answer 2

Oxyhemoglobin

Question 3

2. Blood cell carries _ to all body tissue

Answer 3

Oxyhemoglobin

Question 4

3. When reach tissue with low oxygen, oxyhemoglobin gives up O, becoming _

Answer 4

Deoxyhemoglobin

Question 5

4. _ from body tissue passes into deoxygenated blood

Answer 5

CO2

Question 6

4. Most of CO2 dissolves in _

Answer 6

Blood plasma

Question 7

4. Some CO2 combines with _ in red blood cell

Answer 7

Hemoglobin

Question 8

5. _ travels back to lungs with CO2

Answer 8

Deoxygenated blood

Question 9

5. CO2 also travels back to lungs in _

Answer 9

Plasma

Question 10

6. When blood reaches the lungs _ breathed out

Answer 10

CO2