mouth, pharynx, esophagus, and stomach, intestine test

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Which of the following substances is digested in the mouth?

carbohydrates

the three elements in carbohydrates.

carbon, hydrogen, oxygen

the "soupy" mixture that moves from the stomach into the small intestine

chyme

specific acid produced by cells in the lining of the stomach

hydrochloric acid

Peristalsis continues in the...

large and small intestine

water absorption occurs in the

large intestine

produces bile, physical digestion of lipids

liver

what accessory organs send secretions to small intestine

liver and pancreas

types of digestion in the small intestine

mechanical and chemical

process of breaking down food into smaller parts

mechanical(physical) digestion

food moves from the stomach through the sphincter and, then, into the small intestine

pyloric

the enzyme in the oral cavity that promotes digestion of large molecules into smaller molecules

salivary amylase

the glands associated with the oral cavity.

salivary glands

general name for a ring-like muscle

sphincter

an example of physical digestion in the stomach

stomach muscles mix the food and liquid.

structure located at the end of large intestine

texting

True or False. No "new" digestion begins in the esophagus.

true

True or False. The throat is located in the posterior region of the oral cavity.

true

location of cardiac sphincter

upper end of stomach

the pH of the stomach is approximately

1.5-3

length of small intestine

10-20 feet

processing of food in the stomach takes approximately

2-4 hours

complete digestion of food

24-72 hours

ph of small intestine

8

walls of small intestine _______ water and digestive nutrients

absorb

parts of large intestine

ascending, transverse, descending

food that has been chewed and mixed with saliva in the mouth

bolus

organ in the body that sends signals to the muscles of the esophagus to begin peristalsis

brain

what is the chemical digestion in the small intestine

digestion of carbohydrates, lipids, and protein

what are the three parts of the small intestine?

duodenum, jejunum, ileum

folds over the trachea during swallowing to prevent choking

epiglottis

the structure where peristalsis begins

esophagus

True or False. Peristalsis is a voluntary process.

false

True or False. The teeth and tongue are associated with chemical digestion.

false

True or False. Under normal circumstances, movement of food through the digestive tract is a two-way process.

false

length of large intestine

five feet

protects the stomach from digesting itself

mucus

produces enzymes, chemical digestion of proteins, carbohydrates, and fats

pancreas

the chief digestive enzyme in the stomach is

pepsin

Which of the following substances is digested in the stomach?

proteins

function of carbohydrates

provide energy


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