Digestive System Quiz

what is the first organ of digestive system?

mouth

where does food go after mouth?

esophagus

food takes ___ seconds to pass down the esophagus and into the stomach

5 to 10 seconds

what does salivary glands do?

3 pairs, secrete salivary amylase (an enzyme that breaks down carbohydrates)

What does liver do?

produces bile, urea, amonia.

What does gall bladder do?

stores bile

food spends ___ hours being partially digested in the stomach

2 to 6 hours

What does pancreas do?

produces insulin, lipase, bicarbonate and lipase (lipids)

what does large intestine do?

also called colon, 1.5m in length. in 12-24 hours any undigested material by stomach passes through the large intestine and H20 is reabsorbed.

what does small intestine do?

final digestion and nutrient absorption. food stays in small intestine for about 5 to 6 hours

what is an appendix?

lymphoid tissue. it makes a minor contribution to defense

what does kidney do?

contains nephrons, removes waste from the blood

H20, urea, salts → urine

what does ureter do?

transports urine to the bladder

what does bladder do?

stores urine

what does urethra do?

transports urine out of the body