MP4 Ch4 Nutrition and Digestion

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

Ch 4 Digestion and Nutrition

nutrients

digestion

00:07

Review the digestive system

Watch this video and write down any questions or observations you have. You can add them to the next slide and we can go over in class.

Write down any questions you have after watching the video:

The digestion of starch starts in the ...

1. Mouth
2. Stomach
3. Duodenum
4. Small intestine

Which of the following digestive juices does not contain enzymes?

1. intestinal juice
2. saliva
3. gastric juice
4. gastric acid

TRUE OR FALSE? Emulsification is an example of chemical digestion.

1. True
2. False

Teeth and the tongue are mainly responsible for

1. chemical digestion
2. mechanical digestion

Which of the following organs is not an excretory organ?

1. Kidney
2. Lungs
3. Skin
4. Liver

What is the function of the hepatic portal vein?

Finish the sentence:
'The function of bile is ...'

How do the villi in the intestines help the
digestive process?

Why does faeces contain more bacteria than urine?

Breaking of large molecules into smaller molecules is called

1. chemical digestion
2. mechanical digestion

00:00

Review video

Only watch this video if you need extra practice on the digestive system.

Which food groups are broken down in the small intestine?

1. fats only
2. carbs, fats and proteins
3. proteins and carbs

What is peristalsis?

1. muscle movement to push food down the gut
2. making smaller droplets of fats
3. movement of nutrients into the circulatory system

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Take the test in BBC Bitesize Biological molecules and share your score below:

Quiz time! Write a test question and be ready to answer one too!

Review time!