HELP THIS IS DUE IN 30 minutes (No links or I'll Report) In a healthy person, systolic pressure is always higher than diastolic pressure because systolic pressure measures
A) blood pressure in the artery after the left ventricle contracts.
B) the force with which blood returns to the heart and lungs.
C) the maximum rate at which the heart pumps blood.
D) the pressure in the artery after the left ventricle relaxes.

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

Ture or false evidence for evolution includes millions of fossils

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review