Question 1
Which respiratory-associated muscles would contract or relax during forced expiration, for example blowing up a balloon?
◦ diaphragm would contract, external intercostals would relax
◦ external intercostals would contract and diaphragm would relax
◦ diaphragm contracts, internal intercostals would relax
◦ internal intercostals and abdominal muscles would contract
Question 2
How is the bulk of carbon dioxide transported in blood?
◦ as carbonic acid in the plasma
◦ chemically combined with the heme portion of hemoglobin
◦ chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells
◦ as bicarbonate ions in plasma after first entering the red blood cells
Red Blood Cell
blood close up
Blood Agar Plate- gamma hemolysis
Blood Circulation
Carbon Isotope ratio
Hormonal and nervous factors influencing blood pressure