Glands which secrete hormones directly into the bloodstream are called the glands.

answer choices are
endocrine or exocrine

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4

What is responsible for the uneven heating between the poles and the equator on any given day

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.