Studies of oxygen transport in pregnant mammals show that the o2-saturation curves of fetal (hbf) and maternal (hba) hemoglobin are markedly different when measured under the same conditions. which hemoglobin has a higher affinity for o2 at the tissue po2 of around 4 kpa?

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.