Your heart pumps blood and it travels to your lungs.
Explanation:
I think that every answer from your question is correct because the player who will do the serve can stand anywhere to serve the ball but the most important thing is that he should stand behind the end line. Your answers here are referring to that every service is done from the back and that is why I think those are all correct answers.
I hope that this information will help you to recognize the correct answer.
One must consider physical, mental, and social factorts
Answer:
Mouth.
Esophagus.
Stomach.
The small intestine.
Colon (large intestine)
Rectum.
( hope this helped goodluck! )
I think its thru blood cells im not sure though.
