Answer:
They are an addition to your body that is not passed through DNA
Explanation:
<span>Market demand for goods associated with a species.</span>
I believe they are called endothermic.
Endotherms also called warm blooded animals are those that maintain a constant body temperature independent of the environment. They primarily includes, birds and animals, but some fish are also endothermic. On the other hand ectothermic animals or cold blooded animals are those whose regulation of body temperature depends on the external sources such as sunlight.
The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!