Which of the following are factors that affect the blood’s capacity to

Which of the following are factors that affect the blood’s capacity to carry sufficient oxygen to the various body organs? (Select all that apply.)

1. The size of the individual
2. The age of the individual
3. The gender of the individual
4. The amount of oxygen present in the blood
5. The amount of hemoglobin present in the blood
6. The amount of oxyhemoglobin present in the blood

ANSWER

ANS: 4, 5, 6
Three things influence the capacity of the blood to carry oxygen: the amount of dissolved oxygen in the plasma, the amount of hemoglobin, and the tendency of hemoglobin to bind with oxygen. The remaining options are not directly involved.