Bio 2: Small Intestine review

The sections of the small intestine in order as food passes through them are the ​ (a)   , the ​ (b)   , and the ​ (c)   .

• duodenum
• jejunum
• ileum
• pyloric sphincter
• cardiac sphincter
• esophagus
• uvula

What is the name of the fatty "curtain" of connective tissue that hangs over the majority of the intestine within the abdominal cavity?

What is the name of the connective tissue that holds the loops and coils of the small intestine into an orderly group?

Which section of the small intestine receives digestive juices from both the pancreas and the gallbladder?

• stomach

• ileum

• duodenum

• jejunum

• large intestine

The finger-like projections on the inside of the small intestine are called:

Study the image.

The microscopic projections on the individual cells that make up the villi are called _____________.

Tags

NGSS.MS-LS1-2

The moving particles in the image represents the ________ that are absorbed from the food in the small intestines' blood supply.

Tags

NGSS.MS-LS1-3

Label the image with the choices provided.

b

c

d

e

a

serosa

muscularis layers

villi in mucosa layer

submucosa

lumen

The function of the villi and microvilli of the small intestine are to increase the amount of ___________ inside the small intestine so that nutrient absorption occurs as quickly as possible.

Match the labels to the correct line on the image.

b

c

a

one villus

microvilli are found on the surface here

blood vessels