Worksheet on Digestive system Class 4

Food transformation begins an incredible journey through specialized organs that extract nutrients while eliminating waste products efficiently! Digestion adventures follow meals from mouth through esophagus, stomach acid baths, and lengthy intestinal processing centers. This class 4 digestive system worksheet traces for students nutrient absorption into bloodstreams, liver detoxification processes, and kidney filtration systems maintaining body chemistry balance. Digestive investigations include enzyme actions, peristalsis muscle contractions, and beneficial bacteria assisting breakdown processes throughout the alimentary canal. Download digestive system worksheet Grade 4 pdf for internal culinary adventures.

1. Which of the following accurately describes the role of digestive juices produced by the organ shown in the picture?

a) Absorb nutrients from food
b) Breaks down carbohydrates
c) Mixes food with saliva
d) Breaks down food into simple and soluble substances

Answer: d) Walls of the stomach produce digestive juices that break down food into simple and soluble substances.

2. Select the correct option from below which on unscrambling gives the name of the organ that stores the bile.

a) V l R L E
b) L G A B L R D E L A D
c) R E A N P C A S
d) A H C O S T M

Answer: b) Bile is produced by the liver and it is then stored in the gallbladder.

3. While discussing the digestive system, three friends made the following statements.

Jake: The oesophagus also carries air from the nose to the lungs.
Ava: Digestion completes in the small intestine.
Max: Absorption of food takes place in the stomach.

Who made the correct statement?

a) Jake and Ava
b) Ava and Max
c) Only Ava
d) Only Max

Answer: c) Only Ava made the correct statement. Digestion completes in the small intestine, as it is where most of the nutrient absorption takes place. The other statements made by Jake and Max are incorrect.

4. X absorbs the digested food. It is divided into three parts. Identify the organ X.

a)
b)
c)
d)

Answer: d) The small intestine absorbs the digested food. It is divided into three parts: the duodenum, jejunum, and ileum.

5. Match the following.

a) 1:C, 2:B, 3:A
b) 1:B, 2:C, 3:A
c) 1:A, 2:B, 3:C
d) 1:C, 2:A, 3:B

Answer: b) Rectum: Final stage of digestion happens here.
Large Intestine: Absorbs extra water from food.
Mouth: Process of digestion begins here.

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