4. Undigested food particles (like seeds, tough fruit pulp, and not properly chewed meat) are passed to the during defecation. to be passed out the body a. digestion b. stomach Intestines small intestines d. large 5. When does the digestion happen? a. As soon as we start to chew our food. b. As soon as we cut the meat. c. As soon as we extract fruit to juice. d. As soon as we slice the fish 6. It is caused by not eating on time, too much Intake of acidic drinks and foods. a.ulcer / hyperacidity b. diarrhea 7. It is a frequent moving of bowel with watery stool. c. constipation d. appendicitis a.ulcer/hyperacidity b. diarrhea c. constipation 8. Difficult elimination of dry and hard stool or feces. d. appendicitis a.ulcer/hyperacidity b. diarrhea c. constipation d. appendicitis 9. It is inflamation of the appendix caused by irritation from undigested food that may block. a.ulcer / hyperacidity b. diarrhea c. constipation d. appendicitis 10. It is caused by bacterial infection from taking contaminated foods and water a.ulcer / hyperacidity b. diarrhea c. constipation d. appendicitis 11. It is bean-shaped paired organs which are about 4 to 5 inches long and 2 to 3 inches wide. a. kidney b. heart c. lungs d. brain 12. Which is not the function of kidney? a. Remove urea from blood through filtering units called nephron. b. Keep stable balance of salts and other substances in the blood. c. Produce hormone that aids the formation of blood cells. d. Create new cells in our body. 13. It is a hollow muscular organ located between lungs and it is protected by the ribcage. b. heart c. lungs a. kidney d. brain 14. It filters the oxygen that enters our body because it contains a heart receives clean filtering structure to ensure the oxygen. b. heart c. lungs d. brain a. kidney 15. It supports each other to allow distribution of nutrients and oxygen to all parts of the body and the removal of carbon dioxide as a waste product in the body. a. Heart and lungs b. stomach and intestines c. Kidney and heart d. brain and skeleton​