A. stomach B. intestine 11. Which group of organs belongs to the circulatory system A. heart, glands, and blood B. liver, blood vessels, and heart C. heart, blood, and blood vessels D. vessels, skin, and brain 12. What are the pumping chambers of the heart A. aorta C. valves B. atria D. ventricles 13. Which of the following statements is NOT true about the left ventricle? A. It pumps blood towards the aorta. B. It has thinner walls than the right ventricle. C. It is located at the lower chamber of the heart. D. It is composed of thicker walls compared to aorta. 14. The following statements about pulmonary circulation are true EXCEPT one. Which is it? A. Poor-oxygen blood picks up oxygen as it passes the lungs. B. Blood flows from the heart to the lungs and vice-versa. C. Blood is distributed to all parts of the body. D. It is the flow of the blood from the right side pf the heart to the lungs for oxygenation. 15. What are the receiving chambers of the heart A atria B. superior vena cava C. ventricles D. aortic valve 16. What organ of the urinary system acts as a temporary storage of urine? A kidney B. ureter C. urethra D. urinary bladder 17. By what process does the body eliminate waste products from the body A. circulation B. digestion C. excretion D. ingestion 18. What will happen to the body when the kidney stops working A. The body accumulates poisonous substances in the blood. B. The body becomes healthy and strong. C. The body sweats a lot. D The body will be dehydrated. 19. What is NOT filtered from the blood by the kidneys A. excess salt B. excess water D. urea 20. Urine is finally forced out of the body by the A. contraction of the smooth muscles of the bladder B. peristalsis of the smooth muscles of the ureters C. the pumping of the cardiac muscles of the heart D. the filtering of the nephrons of the kidney C. oxygen.. Pls pa helpp​