A dorsiventral (Lat. dorsum, "the back", venter, "the belly") organ is one that, like an ordinary leaf, has two surfaces that differ in appearance and structure from each other. As a synonym for dorsoventral organs, those reaching from the dorsal to the ventral surface, this term has also been used.
I would go with B, because that is what basically would move fluid in our body. Nothing else, because our heart is like a pumper, that always pumps blood through your whole body. Unless until you die, and then it stops.
Hope that this would help you!
When Dalton proposed the first atomic model, he was thinking that all atoms are alike. The correct answer is A.
Answer:
D
Explanation:
D) Volume mass and density
volume mass and density do not change because when the necklace is melted down it doesn't change the amount or density of the necklace.
