The left ventricle works harder than the right ventricle because it has to .

A.
squeeze carbon dioxide from the blood
B.
send the blood to both lungs
C.
push the blood through the whole body
D.
push the blood back into the heart

They said i have got a sign of tuberculosis what should i do

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?