12674009
Description
Flashcards by rayan abdul-khaliq, updated more than 1 year ago
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Created by rayan abdul-khaliq
over 6 years ago
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| Question | Answer |
| Name all the systems in your body? | 1.Digestive system 2.Respiratory system 3.Circulatory system 4.Excretory system 5.Skeletal system |
| What is Digestion? | The process of breaking food into a usable form and nutrients are available. |
| Where does digestion take place? | It takes place in your digestive system. |
| What is the meaning of digestive tract? | It is the pathway that the food takes through a series of organs. |
| Name 2 types of digestions? | 1.Mechanical digestion 2.Chemical digestion |
| What is Mechanical Digestion? | It is when food is sliced or crushed by your teeth,which breaks it into smaller pieces.No new substance are made. |
| What is Chemical Digestion? | It is a complex substance,the food is broken into simpler chemicals by saliva and gastric juice.It produces new ,smaller chemicals that your body can absorb. |
| Is your mouth a chemical or mechanical digestion? | Your mouth is a Mechanical Digestion. |
| What are the 4 types of teeth in your mouth? |
1.Incisor
2.Canines
3.Premolars
4.Molars
Image:
Teeth (binary/octet-stream)
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| What do incisors do? | They are the four pairs of teeth at the front and they bite off pieces small enough to chew. |
| What is Saliva and what does it do? | Saliva is a watery liquid produced by salivary glands.It contains a chemical that changes any starch in food to glucose. |
| What is Oesophagus? | It is a long food pipe that starts from your mouth to your stomach. |
| What is peristalsis? | It is the process of pushing down food through the digestive tract. |
| What happens if food goes into your windpipe? | You would start to choke and you would have to force the food to come back up so it can be swallowed correctly. |
| What are sphincters? | They are like rings of muscles. |
| What happens in the stomach? | The food gets stored there for 6 hours. |
| What is Gastric Juice? | It is a mixture of chemicals produces by cells in the stomach wall. |
| Name 3 things Gastric Juice contains? | 1. Hydrochloric Acid 2.Mucus 3.Digestive Juices |
| What is Hydrochloric Acid? | It is a strong acid that kills many bacteria that may be swallowed. |
| What is Mucus? | It is a layer on the lining of the stomach that prevents the stomach digesting itself. |
| What is Digestive Juices? |
There juices containing chemicals that start the digestion of protein,the main nutrient found in meat.
Image:
Liver (binary/octet-stream)
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