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Twenty Questions. Subject: CVS SYSTEM. Twenty Questions. 1. Needed substances are carried to the body cells by. Blood. 2. The function of the atria is to. Receive blood that comes into he heart. What sends out signals to make the heart muscles contract?. pacemaker.

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Twenty questions

Twenty Questions

Subject: CVS SYSTEM




2 the function of the atria is to
2. The function of the atria is to .

  • Receive blood that comes into he heart.




5 when blood flows into the right atrium from the body is the blood full of oxygen or co2
5. When blood flows into the right atrium from the body is the blood full of oxygen or CO2? .

  • CO2








12 the wall of tissue that separates the heart into a right and left side is called the
12. The wall of tissue that separates the heart into a right and left side is called the

  • septum


13 what traps disease causing bacteria
13. What traps disease causing bacteria? right and left side is called the

  • Lymph nodes


Twenty questions
14. When artery walls thicken as the result of a buildup of fatty materials this is a condition known as.

  • Artherosclerosis


15 exercise is important for cardiovascular health because it strengthens the
15. Exercise is important for cardiovascular health because it strengthens the __________.

  • heart