Chapter 23 Pt 1

What is the alimentary canal also known as?

• Respiratory tract

• Gastrointestinal tract

• Circulatory pathway

• Endocrine system

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Which of the following is a basic function of the digestive system?

• Absorb light

• Digest food

• Produce hormones

• Circulate blood

How is the GI tract connected to the outside environment?

• Through the circulatory system

• Through the nervous system

• Each end connects to the outside environment

• It is not connected to the outside environment

What is the result of food digestion in the digestive system?

• Energy storage

• Energy release

• Oxygen release

• Carbon dioxide absorption

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NGSS.MS-LS1-7

What happens to the digested material in the GI tract?

• It is excreted as waste.

• It is used to build muscle.

• It is transferred from the GI tract lining to the blood.

• It is converted into new GI tract cells.

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NGSS.MS-LS1-7

Which of the following is NOT part of the alimentary canal (GI tract) organs?

• Liver

• Stomach

• Small intestine

• Esophagus

What are the accessory digestive organs?

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What is the approximate relaxed length of the alimentary canal?

• 16-23 feet

• 30 feet

• 5-7 meters

• 9 meters

What type of muscle layers are found in the tubular organs of the digestive system?

• Striated muscle layers

• Cardiac muscle layers

• Smooth muscle layers

• Skeletal muscle layers

Which of the following processes are the accessory digestive organs involved in?

• Absorption and excretion

• Mechanical (chewing) or chemical digestion

• Blood filtration and hormone regulation

• Nutrient transportation and waste removal