Part A Which of the following is a direct example of the study of physiology? O Measuring heart rate and noting blood pressure Observing heart muscle cell structure under a microscope. Dissecting a heart to observe the heart chambers. O Using a dissecting microscope to view the layers of a blood vessel Submit Pr ​

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

i'm thinking 600 feet deep in one of the finger lakes.