When contracted the Right Atrium pumps deoxygenated blood into the Right Ventricle below via the Tricuspid Valve.
Answer: xylem and the outside, which differentiate into phloem
Explanation:
Answer:
Jellyfish start off their life in the polyp stage. The stage we are used to seeing (e.g. the jellyfish looking stage) is called the medusa stage.
Explanation:
Look at this image and see how a jellyfish actually starts out as not free-swimming.
<span>The visceral mass, of gastropods is always contained within the shell; it generally holds the bulk of the digestive, reproductive, excretory, and respiratory systems. A significant part of the visceral hump consists of the mantle, or pallial, cavity.</span>