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Answers
Answer:
Explanation:
1.There are five steps in the process of Nutrition in animals. These are: Ingestion, Digestion, Absorption, Assimilation and Egestion.
2. INGESTION
The act of getting and eating food collectively are called ingestion.
:DIGESTION
The breakdown of food into simpler and soluble molecules inside the body is called digestion.
:ABSORPTION
The process by which soluble molecules present in the digested food passes into the body fluids like blood is called absorption.
:ASSIMLATION
The process in which the absorbed food is used for producing energy and growth is called assimilation.
:EGESTION
The process by which the undigested food materials are thrown out of the body is called egestion.
3. Pseudopodia
4.Hydra captures the prey with the help of specialized cell called a cnidocyst, produce the nematocysts and tentacles. These contacts and brings the food towards the mouth. Sometimes a toxin is released along with the nematocyst in order to overcome the prey.
5.Lepidoptera mouth parts
6.The alimentary tract of the digestive system is composed of the mouth, pharynx, oesophagus, stomach, small and large intestines, rectum and anus.
7.liver , pancreas, salivary gland.
8.The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily.
Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin.
9.Chewing or mastication is the process by which food is crushed and ground by teeth. It is the first step of digestion, and it increases the surface area of foods to allow a more efficient break down by enzymes.
10. Enamel
Answer1 and Answer2: There are five steps in the process of Nutrition in animals. These are: Ingestion, Digestion, Absorption, Assimilation and Egestion. Ingestion: is the process of taking food in to the body or ‘eating of food’ by the animal. When we put food in to our mouth with hands, we are ingesting it.
Digestion: is the process in which the food containing large, insoluble molecules is broken down in to small, water soluble molecules which can be absorbed by the body or digestion is the dissolving of the solid food. Most of the animals include both physical and chemical methods for digesting the food. Physical method includes chewing and grinding the food in mouth and chemical method include the addition of digestive juices (enzymes) to food by the body itself.
Absorption: is the process in which the digested food passes through the intestinal wall into blood stream. As, after the digestion, food molecules become small and soluble. This food passes through the walls of our intestine and goes in to the blood.
Assimilation: is the process in which the absorbed food is taken in by the body cells and used for energy, growth and repair. Blood carries the absorbed food to all the parts of the body.
Egestion: is the process in which the undigested food is removed from the body. The whole food which we eat is not digested by our body, a part of the food remains undigested which cannot be used by the body and so it is removed from the body in the form of faeces when we go to the toilet.
Answer3: Pseudopodia or pseudopods are temporary projections of the cell and the word literally means "false feet". The cell uses the pseudopodia as a means of locomotion.
Anwer4: Hydra captures the prey with the help of specialized cell called a cnidocyst, produce the nematocysts and tentacles. These contacts and brings the food towards the mouth. Sometimes a toxin is released along with the nematocyst in order to overcome the prey.
Answer5: Haustellum
Answer6: The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).
Answer7: Salivary Glands, Stomach, Pancreas, Liver and Intestines.
Answer8: Function of the saliva
- Chemical digestion: breaks down starch by the function of “salivary amylase”
- Helps chewing and swallowing.
- Lubricating effect: moisturizes the inside of the mouth and creates smoother speech.
- Solvent effect: dissolves food and allows the tongue to taste the food.
Answer9: Mastication (chewing), in which food is crushed and mixed with saliva to form a bolus for swallowing, is a complex mechanism involving opening and closing of the jaw, secretion of saliva, and mixing of food with the tongue.
Answer10: Tooth enamel
Tooth enamel is the hardest substance in the human body, but it needs your help to keep it strong in the fight against cavities.