Human Organ System Short Question With Answer: General Science Cadet College Test

Ans: The process of changing food into simpler form is called digestion. In this process the parts of the body that take part in it form a digestive system.

Ans: The long tube in which the process of digestion takes place is called alimentary canal. It starts from the mouth & ends at anus.

Ans: (i) Mouth  (ii) Esophagus  (iii) Stomach  (iv) Small intestine
(v) Large intestine  (vi) Anus  (vii) Glands, Liver, Pancreas

Ans: The opening of the oral cavity is called the mouth.

Ans: It produces pancreatic juice. It digests carbohydrates, proteins and fats.

Ans: Inner surface of the small intestine has many finger-like structures called villi. The digested food passes into blood through the walls of villi. It is called absorption.

Ans: Large intestine receives undigested part of the food. The main job of the large intestine is to absorb extra water.

Ans: The undigested food becomes solid and is called feces. The last part of the large intestine is called rectum. The feces are stored in rectum.

Ans: Nutrients are a useful part of our food. Carbohydrates, Proteins, Fats, Vitamins etc. are the nutrients.

Ans: Due to some reasons, peristalsis works in reverse & pushes the food in the stomach up and out of our mouth. This reverse process is called vomiting.

Ans: TLiver, pancreas, gall bladder are the supports of our digestive system.

Ans: Liver stores its bile in the gallbladder which releases it into the small intestine.

Ans: Some common digestive disorders are diarrhea, heartburn, constipation, ulcer, gas trouble etc.

Ans: Our nose has hair and mucus. Dust particles and germs present in the air stick to the mucous and hairs. Thus air is filtered.

Ans: Hair and mucus present in the nose clean, moisten and warm the air. Mucus is a sticky liquid. Dust particles and germs present in air stick to the mucous and filter the air.

Ans: Vocal cards are present in the larynx and produce sound.

Ans: Our throat contains two pipes, one for the food and the other for breathing. It is the epiglottis which allows things to go down the right way. When we eat or drink something, the epiglottis covers the windpipe.

Ans: TAir passes from the larynx into the trachea. Trachea (windpipe) has c- shaped rings of cartilage. These rings keep the trachea open, even when there is no air. Hair and mucus in trachea also filter the air.

Ans: Trachea divides into two branches called “bronchi”. Each bronchus enters into the right and left lungs.

Ans: Two bag-like structures through which exchange of gases takes place between blood and environment are called “lungs”.

Ans: TThere is no proper medicine for viral diseases like common cold. However, through a lot of rest, drinking plenty of water or juices, it can be treated.

Ans: It is an infection of lungs. In this, the alveoli are filled with pus which makes breathing painful.

Ans: Cough, fever, nasal congestion, rapid breathing with wheezing sound, chest pains, loss of appetite are the common symptoms of Pneumonia.

Ans: Antibiotic medicines are effective for Pneumonia treatment. Vaccines are also used. Wash hands to avoid germs and take other precautions.

Ans: Smoking is the main cause of lung cancer.