OpenSciEd 7.3

Front

What are complex carbohydrates and what do they break down into?

Back

Complex carbohydrates, such as starch, break down into glucose when chemically broken apart.

Front

Why are some molecules absorbed into the bloodstream while others are not?

Back

Some molecules are smaller than others, allowing them to be absorbed into the bloodstream.

Front

What is the purpose of gas exchange in the body?

Back

Gas exchange is needed to supply oxygen to cells and remove carbon dioxide.

Tags

NGSS.MS-LS2-3

Front

What happens to molecules in the small intestine during digestion?

Back

The molecules are absorbed into the blood, which may make them seem like they are disappearing.

Tags

NGSS.MS-LS1-7

Front

Why do cells in the body need glucose?

Back

Cells need glucose for energy.

Tags

NGSS.MS-LS1-7

Front

What is the primary function of glucose in the human body?

Back

The primary function of glucose is to provide energy for cellular processes.

Tags

NGSS.MS-LS1-7

Front

What role do enzymes play in the digestion of carbohydrates?

Back

Enzymes help break down carbohydrates into simpler sugars, such as glucose.

Front

What is the difference between simple and complex carbohydrates?

Back

Simple carbohydrates consist of one or two sugar molecules, while complex carbohydrates are made up of long chains of sugar molecules.

Front

How does the size of a molecule affect its absorption in the intestines?

Back

Smaller molecules can pass through the intestinal walls and enter the bloodstream, while larger molecules cannot.

Front

What is the significance of oxygen in cellular respiration?

Back

Oxygen is essential for cellular respiration as it is used to produce energy in the form of ATP.

Tags

NGSS.HS-LS1-7