1. Explain the process of digestion in humans
2. What is alimentary canal
3.Differentiate between permanent and temprary temporary teeth
4. Illustrate digestion in amobea with the help an diagram
5. If you are blindfolded and you are allowed to drink lemon and bitter guard juices. How can you able to identify the taste of these juices?
6. Define digestion in rumen and explain rumination
Answers
Answer:
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1)The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.
2)The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long. Digestion begins in the mouth, well before food reaches the stomach.
3)Primary teeth also have shorter, thinner roots than permanent teeth. The biggest difference between primary and permanent teeth is the number. Children usually have 20 primary teeth while adults have 32 permanent teeth, including four wisdom teeth.
4)The mode of nutrition in Amoeba is called Holozoic nutrition.
The nutrition in amoeba takes place in the following steps:
1. Ingestion: The process of ingestion is nothing but intake of food into the body. Amoeba is unicellular and hence it does not have mouth, Amoeba takes the food into the body by forming structures called pseudopodia around the food particle. This pseudopodia forms a vacuole around the food particle called food vacuole and the vacuole is taken inside the cell.
2. Digestion: The food particle inside the vacuole is broken down into soluble particles by digestive enzymes inside the vacuoles.
3. Absorption: The broken food particles is absorbed into the cytoplasm of amoeba by diffusion. The food particles which are unabsorbed are left inside the vacuole.
4. Assimilation: The absorbed food is converted into energy in this step.
5. Egestion: The undigested food in the food vacuole is thrown out from the cell.
6)These species obtain their nutrition from plant products by adapting to a certain process called rumination. ... Through the action of rumination, they ferment the food, regurgitate and chew their food before the main digestion process.
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