Drug used to treat angina and hypertension; dilates blood vessels, stopping the influx of calcium into muscle cells lining vessels is drug used to treat angina, hypertension, and arrhythmias by blocking the action of epinephrine at receptor sites on cells is angina and heart attack occurring as consequences of plaque rupture in coronary arteries is blowing or swishing sound heard during auscultation of an artery listening for sounds using a stethoscope is

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

What noticeable trend from this graph might be used to make a conclusion?