Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
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The correct answer is letter B. the closer the star, the larger the Parallax angle. This is an illusion that is made through visual perspectives of observers of stars. A parallax can also be used to find the distance to the stars that are relatively close.
Answer:
A. parts A and B
Explanation:
A is the filament and B is the anther
