Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
A. Chattel has the correct stress, given that the stress is placed on the first syllable, which is cha-.
Answer:
True
Explanation:
The organisms which sink deep into the sea usually die due to various reasons. This argument can be supported from the fact that plants which are located in the depths of the sea cannot maintain themselves as they cannot photosynthesize in the depths of the sea. As a result they die.
On the other hand, fishes and other animals which move to the depths of the sea are not adapted to live in such environments and become food for other strange animals present there.
Answer:
2.They are specialized to do certain tasks
Answer:
El sistema nervioso consiste en el cerebro, la médula espinal, los órganos sensoriales y todos los nervios que conectan estos órganos con el resto del cuerpo. Juntos, estos órganos son responsables del control del cuerpo y la comunicación entre sus partes.