Answer:
I don't know the answer but look at what I painted
Hi there!
The Inferior and Superior vena cava, bring blood from the body right into the Atrium.
Hope this helps!
~DL
The answer would be D because the proportion is 6:9, which could be simplified to 2:3
Answer: Never swim alone
Explanation: You have to at least have one person with you, you cannot swim be your self just in case something happened to you nobody would be there to help.