PBS Unit 1.2 Test Review

Front

What type of blood vessel carries blood AWAY from the heart?

Back

Arteries

Front

What is the process called when enzymes in saliva help break down food?

Back

Chemical digestion

Front

Which body cools faster after death?

Back

The body in cold temperatures

Front

What is the purpose of heart valves?

Back

To prevent blood from flowing backwards

Front

What is the Peripheral Nervous System made up of?

Back

Nerves that connect the central nervous system with the rest of the body

Front

What is the main function of arteries?

Back

To carry oxygenated blood away from the heart to the body.

Front

What is the difference between mechanical and chemical digestion?

Back

Mechanical digestion involves physical breakdown of food, while chemical digestion involves enzymatic breakdown.

Front

What role do enzymes play in digestion?

Back

Enzymes speed up the chemical reactions that break down food.

Front

What happens to the body temperature after death?

Back

The body cools down to match the surrounding temperature.

Front

What is the function of the heart?

Back

To pump blood throughout the body.