The digestive system, Villi, Pro/Prebiotics Flashcards Preview

Biology | GCSE - Edexcel - Additional > The digestive system, Villi, Pro/Prebiotics > Flashcards

Flashcards in The digestive system, Villi, Pro/Prebiotics Deck (12)
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1
Q

What makes good bacteria good?

A

Helps strengthen the immune system.

2
Q

What is meant by a functional food?

A

Foods that claim to make you healthier when you eat them.

3
Q

What is the role of the gall bladder?

A

Where bile is stored until it’s needed in the small intestine.

4
Q

Whats are the 2 roles of the liver?

A
  1. Produces bile.

2. Converts food molecules absorbed from the small intestine into other molecules.

5
Q

What is peristalsis?

A

When muscles contract and relax to move food along.

6
Q

What is the role of the pancreas?

A

Produces enzymes that are released into the small intestine.

7
Q

What are probiotic foods?

A

Foods that contain ‘friendly bacteria’ such as bifidobacteria or lactobacillus.

8
Q

Where can probiotics be found?

A

Yogurts/yogurt drinks like actimel.

9
Q

What are prebiotic foods?

A

Foods that contain a high level of oligosaccharides.

10
Q

True or false:

The body can digest oligosaccharides.

A

False.

11
Q

What foods contain oligosaccharides?

A

Tomatoes, bananas, onions and asparagus.

12
Q

If the body can’t digest oligosaccharides why are they claimed to be beneficial?

A

They act as food for the ‘good bacteria’ in your gut so they help to maintain your health.