Besides the HCT, what other component of blood could be measured to give a better understanding of oxygen-carrying capacity? Explain your answer.

The haemoglobin levels or counts can be used.

Explanation:

The oxygen carrying pigment of the blood is the heamoglobin (Hb).it is a protein molecule with for heam groups,Each of the latter can bind with  4 molecules of oxygen in a cooperate bonding.The more oxygen molecules binding by Hb,the more oxygen is carry in RBC.

Therefore if the number of Hb counts is reduced in an individual the volume of oxygen in the RBC of the subject should  reduced,Therefore, this should be a good indicator of the lower oxygen capacity of the blood of the individual.

Basically in a physiological female the Hb count/100ml of blood is 12-16g/ml,like wise 13-18g/100mI in a physiological  man.

Therefore fluctuations in the levels of these values below the set points  is an indicator of distortion in the oxygen carrying capacity of the blood.

The  amount of the blood in volume that contains RBC is called Hematocrit. Therefore for accuracy the HCT together with the Hb counts are good indicators of oxygen capacity of the blood.

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