True or False O2 can be carried in the blood only when attac

True or False: O2 can be carried in the blood only when attached to hemoglobin, NOT dissolved in blood plasma

ANS: FALSE

Explanation:

Oxygen Transports to Most the Tissues:

Oxygen is transported two ways in the blood. They are...

1. Oxygen dissolved in the plasma

2. Oxygen bound to hemoglobin (Hb)

Total blood oxygen content = Amount dissolved in plasma + Amount bound to hemoglobin