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Digestive System Parts and Functions

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Where do you start to chew your food?

a)

esophagus

b)

mouth

c)

large intestine

d)

stomach

2.

What is the food tube called?

a)

mouth

b)

esophagus

c)

liver

d)

stomach

3.

Where is food mixed with saliva?

a)

esophagus

b)

pancreas

c)

stomach

d)

mouth

4.

Nutrients from digested food are absorbed in which digestive organ?

a)

Small Intestine

b)

Stomach

c)

Large Intestine

d)

Gallbladder

5.

Match the following definitions with their vocabulary words.

a)

The first part of the digestive system and is where the process of digestion begins. It contains the teeth, tongue, and salivary glands, which work together to break down food and mix it with saliva to form a bolus, making it easier to swallow.

1.

Mouth

b)

A glandular organ that plays a role in both the digestive and endocrine systems. It produces digestive enzymes that are secreted into the small intestine to break down food and also produces hormones, such as insulin and glucagon, to regulate blood sugar levels.

2.

Pancreas

c)

A muscular, sac-like organ in the digestive system that stores food, mixes it with gastric juices, and breaks it down into a semi-liquid state called chyme. The stomach also has a protective lining to prevent damage from the acidic environment.

3.

Stomach

6.

The ​ (a)   churns up the food and mixes it with acid, while the ​ (b)   absorbs most of the nutrients. The ​ (c)   absorbs most excess water.

Choose from the below words

small intestine

large intestine

stomach

mouth

liver

7.

Which of the following organs is primarily involved in the chemical digestion of proteins?

a)

Mouth

b)

Stomach

c)

Large intestine

d)

Esophagus

8.

Which organ is responsible for producing bile, which helps in the digestion of fats?

a)

Pancreas

b)

Liver

c)

Gallbladder

d)

Stomach

9.

What is the role of the gallbladder in the digestive system?

a)

To produce bile

b)

To store bile

c)

To absorb nutrients

d)

To digest proteins

10.

Match the following

a)

Produces bile (bile breaks down fat)

1.

liver

b)

Stores bile until it's needed

2.

gallbladder

c)

produces enzymes that help break down food; also produces insulin

3.

pancreas

11.

​ ​ (a)   is when enzymes break down foods into basic chemical component

​ (b)   is a wave like muscle contractions which propel food through the digestive system

​ (c)   is the name for digested food in the stomach

Choose from the below words

Chemical Digestion

Peristalsis

Chyme

12.

What is the function of the teeth and tongue

a)

chemical digestion

b)

break down food

c)

mechanical digestion

d)

they only chew food

13.

the PARTS of the small intestine that helps absorb digested food

a)

stomach

b)

villi

14.

Food travels down the esophogus to the_______.

a)

Gull bladder

b)

Mouth

c)

Stomach

d)

Small intestine

15.

What absorbs water and minerals and holds waste?

a)

Large Intestine (Colon)

b)

Small Intestine

c)

Gall Bladder

16.

What do the villi do?

a)

Digests food in the mouth.

b)

Digests food in the stomach

c)

Protects the stomach from digesting iteself

d)

Absorbs nutrients from food so the body has energy.

17.

Which part of the digestive system is primarily responsible for nutrient absorption?

a)

Stomach

b)

Small Intestine

c)

Large Intestine

d)

Esophagus

18.

What is the main function of the stomach in the digestive system?

a)

Absorb nutrients

b)

Store bile

c)

Break down food into chyme

d)

Produce insulin

19.

Which organ produces enzymes that aid in digestion and also regulates blood sugar?

a)

Liver

b)

Pancreas

c)

Gallbladder

d)

Stomach

20.

What is the role of bile in the digestive system?

a)

Break down proteins

b)

Emulsify fats

c)

Absorb carbohydrates

d)

Neutralize stomach acid

21.

Which part of the digestive system is responsible for water absorption and waste formation?

a)

Small Intestine

b)

Large Intestine

c)

Stomach

d)

Esophagus

22.

What is the function of the esophagus in the digestive process?

a)

Absorb nutrients

b)

Transport food to the stomach

c)

Produce digestive enzymes

d)

Store bile

23.

Which structure increases the surface area for absorption in the small intestine?

a)

Villi

b)

Rugae

c)

Cilia

d)

Microvilli

24.

What is the primary function of the salivary glands in digestion?

a)

Produce bile

b)

Secrete saliva to begin carbohydrate digestion

c)

Absorb nutrients

d)

Neutralize stomach acid

25.

Which part of the digestive system is involved in the mechanical digestion of food?

a)

Teeth and Tongue

b)

Stomach

c)

Small Intestine

d)

Large Intestine