What are the advantages of the digestive system?
What are the advantages of the digestive system?
The digestive system breaks down food into nutrients such as carbohydrates, fats and proteins. They can then be absorbed into the bloodstream so the body can use them for energy, growth and repair.
What is the advantage of complete digestive system over incomplete digestive system?
Complete Digestive Tract Advantages The first advantage of a complete digestive tract is continuous food intake. Organisms with an incomplete digestive tract have a limited amount of space. Everything has to come out the same way it came in.
What is the advantage of having one opening into the digestive cavity?
Advantage of complete alimentary canal. 1. There is no chance of mixing in digested food and waste food, because the opening for ingestion and egestion are separate.
What is an advantage of having a complete digestive system over a Gastrovascular cavity?
There are obvious advantages of such a system over a gastrovascular cavity, among them the fact that food moves in one direction through the tubular system, which can be divided into a series of distinct sections, each specialized for a different function.
What is the advantage of having a digestive system with two openings?
Digestive tracts with two openings also make digestion more efficient, since they provide different sites with different physical and chemical conditions (mouth, stomach, bowels) for the action of different complementary digestive enzyme systems.
What are the disadvantages of digestive system?
Common digestive problems include the following: Constipation. Diarrhea. Acid reflux.
Where is the digestive system?
The digestive tract begins at the mouth and ends at the anus. It is like a long muscular tube, up to 10 metres long, with digestive organs attached along the way. A large reservoir of microbes, such as bacteria, live within the large intestine and, to a lesser degree, in vthe rest of the digestive system.
What are the advantages of having a body cavity?
The possession of a body cavity has two major advantages. Whereas organs that lie in solid tissue are squeezed or compressed every time the animal moves, a body cavity permits them freedom of movement, for example providing for more efficient transport of gut contents.
What are the advantages of having a long coiled digestive tract with several specialized regions?
The large length gives a sufficient time to the body to digest the food and extract maximum nutrition while the numerous finger like projections called villi along with micro-villi increase the surface area for absorption.
What are the advantages of a digestive tract having a separate entrance and exit?
What are the advantages of a digestive tract having a separate entrance and exit? It doesn’t have to wait until it has vomited the waste from its last meal before it can eat again.
What is the digestion?
What Is Digestion? Digestion is the complex process of turning the food you eat into nutrients, which the body uses for energy, growth and cell repair needed to survive. The digestion process also involves creating waste to be eliminated.
What is a digestive?
The digestive system includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus. It also includes the salivary glands, liver, gallbladder, and pancreas, which make digestive juices and enzymes that help the body digest food and liquids.
What is coelom advantage?
The advantage of a true coelom is the ability of the inner mesenteric (mostly connective tissue) layer to suspend the central gut in the middle of the animal. Otherwise, in those animals with a body cavity used in locomotion, gravity would pull the gut down and severely curtail body size.…
What are two advantages of having a coelom?
The advantages of the coelom are as follows: The organs like that of the digestive tract need more space to grow. Coelom allows this extra space for such organs. Some organs like gonads need more space only during the breeding season.
What is the advantage of having a long small intestine?
Explanation: The diameter of small intestine is about 1 inch but the length is about 10 feet. The large length gives a sufficient time to the body to digest the food and extract maximum nutrition while the numerous finger like projections called villi along with micro-villi increase the surface area for absorption.
What is the biggest advantage of having a complete digestive tract?
Advantages of having a complete digestive tract? 1. It allows animals to feed on large pieces of food, expanding the types of food sources that can be ingested.
What is digestive system?
What is digestion Class 11?
Digestion is a physicochemical process involved in the conversion of complex chemical substances of food into simple substances so that they can be absorbed by the system. The food we eat enters the mouth or buccal cavity. It has teeth, tongue and salivary glands.
What are types of digestion?
Digestion is often broken down into two types:
- Mechanical digestion — food is physically broken into smaller parts. For instance, by chewing.
- Chemical digestion — food is broken down by acids and enzymes into its basic units.