B2-Digestive System

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  • Created by: Wynnie24
  • Created on: 18-03-19 18:03
What does the pancreas do?
The pancreas is is an organ that makes and releases digestive juices containing enzymes to break down your food
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What does the stomach do?
The stomach is the organ where food is churned with digestive juices and acids
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What does the small intestine do?
The small intestine is the organ where small digested molecules are absorbed into the bloodstream
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What does the large intestine do?
The large intestine is the organ where water passes back into the body, leaving solid waste
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Why is bile important in digestion?(2 reasons)
1) Emulsifies fat 2) Neutralises stomach acid
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Carbohydrates are broken down into starch
Lipids are broken down into glycerol and fatty acids
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Proteins are broken down into amino acids?
h
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What is a tissue?
A group of similar cells that carry out a specific function.
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Give three examples of human tissues
• Connective tissue • Muscular tissue • Nervous tissue
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What is an organ?
A group of tissues in a living organism that have adapted to perform a specific function.
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Give three examples of human organ
1. Brain 2. Stomach 3. Skin
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Define an organ system
An organ system is a group of organs, which work together as a system to perform one or more function.
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Give three examples of human organ systems
1. Nervous System 2. Digestive System 3. Respiratory System
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What do enzymes do? (3 reasons)
• They speed up chemical reactions • They reduce activation energy • They are not used up in reactions
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Embryonic stem cells definition
Taken from fertilised egg cells. Lots of potential, taken from IVF but is experimenting with potential life
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Adult stem cells definition
Found in bone marrow. Less potential but consent can be given for use
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Meristem cells definition
Plant stem cells. Means it can grow throughout its life, forming new xylem and phloem
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Other cards in this set

Card 2

Front

The stomach is the organ where food is churned with digestive juices and acids

Back

What does the stomach do?

Card 3

Front

The small intestine is the organ where small digested molecules are absorbed into the bloodstream

Back

Preview of the back of card 3

Card 4

Front

The large intestine is the organ where water passes back into the body, leaving solid waste

Back

Preview of the back of card 4

Card 5

Front

1) Emulsifies fat 2) Neutralises stomach acid

Back

Preview of the back of card 5
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