SAT Grammar Practice 4-Demystifying Digestion

What types of food are most easily digested? At first glance, the process by which food fuels our daily activities might seem inexplicable.

In order to help make the abstract topic of digestion accessible to a broad audience, the writer wants to introduce it with a specific, commonplace example. Which choice best accomplishes this purpose?

• NO CHANGE

• What role do our digestive organs play in our general physical health?

• What role do our intestines play in the process of digestion?

• How do our bodies extract energy from a peanut butter and jelly sandwich?

Tags

CCSS.L.1.1J

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.K.1D

However, upon closer examination, digestion—the breakdown of food into smaller components to provide the body with necessary nutrients and energy— is a chemical and mechanical process with a consistent sequence of steps.

• NO CHANGE

• digestion: the breakdown of food into smaller components, to provide the body with necessary nutrients and energy,

• digestion; the breakdown of food, into smaller components to provide the body with necessary nutrients and energy

• digestion, the breakdown of food—into smaller components to provide the body with necessary nutrients—and energy

Tags

CCSS.L.9-10.2B

Chewing first involves putting food inside the mouth, where the grinding of teeth and secretion of saliva start to break down the physical and chemical composition of food.

Which choice most effectively helps establish the main topic of the paragraph?

• NO CHANGE

• The process of digestion begins in the mouth,

• Certain chemical reactions occur when people put food in their mouths,

• When they're hungry, people put food in their mouths,

Once the food has been transformed into a compact mass referred to as a 'bolus,‘ it is swallowed and passes through the esophagus, a muscular tube connecting the throat to the stomach.

• NO CHANGE

• succinct

• summary

• abbreviated

Tags

CCSS.L.3.1A

This lower third attaches to the stomach—a hollow, muscular organ—which then digest food both by crushing it mechanically and secretes digestive enzymes and other fluids that break down starches and proteins.

• NO CHANGE

• are digesting

• were digesting

• digests

Tags

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

This lower third attaches to the stomach—a hollow, muscular organ—which then digests food both by crushing it mechanically and secretes digestive enzymes and other fluids that break down starches and proteins.

• NO CHANGE

• to secrete

• will secrete

• by secreting

Tags

CCSS.L.11-12.3A

CCSS.L.7.1C

This lower third attaches to the stomach—a hollow, muscular organ—which then digests food both by crushing it mechanically and by secreting digestive enzymes and other fluids that break down starches and proteins. The contents are then released into the small intestine.

The writer is considering deleting the underlined sentence. Should the writer make this deletion?

• Yes, because the sentence repeats information that hasalready been stated in the passage‘s description of thedigestive process.

• Yes, because the sentence interrupts the focus ofthe paragraph with information that is not directly related to the process of digestion.

• No, because the sentence provides an effective transition to the topic of the next paragraph,which focuses on the small intestine‘s role indigestion.

• No, because the sentence provides necessary information about the process of digestion in the esophagus.

Tags

CCSS.RI.11-12.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

On the inner surface, this organ is lined with specialized cells arranged into finger-like "villi" and circular "plicae" that facilitate the transfer of important nutrients being transported into the bloodstream.

• NO CHANGE

• transfer of important nutrients

• transfer of important, crucial nutrients

• transfer into the bloodstream of important nutrients

Tags

CCSS.L.11-12.3A

CCSS.L.7.1C

The small intestine is divided into three parts; the duodenum, the jejunum, and the ileum.

• NO CHANGE

• divided into three parts:

• divided: into three parts,

• divided into: three parts,

Tags

CCSS.L.9-10.2B

The jejunum then links the duodenum to the ileum, which is where the majority of nutrient absorption takes place. Instead, the remaining materials move into the large intestine, where water and salts continue to be absorbed.

• NO CHANGE

• In addition,

• However,

• From there,

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E