Digestive System: Chemical Digestion

The pancreas does NOT make which of the following?

• amylase

• lipase

• sodium bicarbonate

• pepsin

Identify the location where the absorption of food takes place?

• duodenum (1st part of small intestine)

• stomach

• large intestine

• ileum (2nd part of small intestine)

Identify the enzyme that breaks down proteins to peptides

• lipase

• amylase

• pepsin

The soupy mixture formed in the stomach by the mixture of gastric juices, acid and food is called?

• bile salts

• bolus

• chyme

• sodium bicarbonate

Food passes through the _______________ to the stomach by the action of ______________

• small intestine, chemical digestion

• mouth, mechanical digestion

• esophagus, chemical digestion

• esophagus, peristalsis

Chemical digestion always involves the use of___________

• salts

• oxygen

• teeth

• enzymes

What is the main function of the large intestine?

• absorb water

• absorb nutrients

• digest proteins

• chemical digestion of nutrients

Type of digestion in the stomach:

• Mechanical
• Chemical
• Both

Tags

NGSS.MS-LS1-7

Where chemical digestion starts. (Carbohydrates)

• Small intestine
• Oesophagus
• Mouth
• Stomach

Releases salivary amylase into mouth which helps break down carbs.

• esophagus
• stomach
• epiglottis
• salivary glands

Tags

NGSS.MS-LS1-7