Semester 1 Test Grade 7

Front

What can be claimed about complex carbohydrates in the digestive system?

Back

Complex carbohydrates reduce but not as much as a healthy person, and fiber stays constant in both a healthy person and M'Kenna.

Front

What type of system allows matter and energy to flow in and out?

Back

Open system.

Front

What is the process called when food molecules pass through the small intestine wall into the body?

Back

Absorption.

Front

How is density defined?

Back

Density is how much matter is in a given space.

Front

What is the primary function of the small intestine?

Back

The small intestine breaks food down further and absorbs nutrients.

Front

What is the role of fiber in the digestive system?

Back

Fiber helps regulate the body's use of sugars, helping to keep hunger and blood sugar in check.

Front

What is the difference between an open system and a closed system?

Back

An open system allows matter and energy to enter and exit, while a closed system does not allow matter to enter or exit.

Front

What is the significance of absorption in digestion?

Back

Absorption is crucial for transferring nutrients from the digestive system into the bloodstream.

Front

What happens to complex carbohydrates during digestion?

Back

They are broken down into simpler sugars for absorption.

Front

What is the relationship between matter and energy in an open system?

Back

Matter and energy can flow freely in and out of an open system.