Digestion and Respiration | Baamboozle - Baamboozle

Name the three reasons why we need food to fuel our bodies.

1. Energy 2. Growth 3. Repair.

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What is the main function of sweat glands?

The main function of sweat glands is temperature regulation.

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Can you name the THREE accessory glands?

1. salivary glands 2. liver 3. pancreas.

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Can you name the THREE processes that start the digestive process, taking place in the mouth?

1. Mastication 2. Insalivation 3. Deglutition.

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Can you explain the difference between ingestion, digestion and egestion?

INGESTION is the intake of food. DIGESTION is the mechanical and chemical break down of food EGESTION is the elimination of substances that can´t be absorbed

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Which two processes of nutrition are related to the respiratory system?

Obtaining oxygen and eliminating carbon dioxide.

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What function do the intestinal villi have?

The absorption of nutrients.

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Why is bile necessary in our bodies?

Bile is necessary for the digestion of fats.

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Explain CHEMICAL DIGESTION:

food is broken down by hydrolytic enzymes which extract nutriens from the food with the help of other substances such as acids and bile

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Name FOUR important functions of the LIVER.

1. takes part in digestion. 2. detoxifies the blood 3. stores some vitamins, iron and glucose 4. performs a lot of metabolical reactions

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What are the two main functions of the digestive system?

1. Turns the food we eat into nutrients 2. Moves the undigested waste material out of the body

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Explain why humans can´t take in nutrients directly from the outside environment.

Humans are multicellular organisms, so most of our cells do not have direct access to the outside environment.

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