Stimulants increase heart rate, increase respiration, and produce anxiety. This is most likely related to activation of the .

How do cells grow and reproduce to maintain homeostasis?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.