During heavy exercise, the co2 in muscle may drop to 20 mm hg. considering the oxygen-hemoglobin dissociation curve below, what is the approximate percent o2 saturation of hemoglobin in venous blood returning from skeletal muscles during heavy exercise?

Madison would like to improve her mood and reduce her risk of stroke. which of there behavior would most her reach this health goal

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus

Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?