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Answers
Answer:
1. Mitochondria : Produces Energy in cell
Centrosome : initiates and regulates cell division
Lysosomes : destroyes foreign substances.
2. Three digestive glands are - mouth , pancreas and stomach
respective secretions are - saliva, trypsin and pepsin.
4. in in in an aerobic respiration- it proceeds in the presence of oxygen complete breakdown of glucose and products are carbon dioxide and water and energy liberated in large quantity from one molecule of glucose occurs normally throughout life.
in an aerobic respiration- it proceeds without using oxygen in complete breakdown of glucose and products are ethyl alcohol and carbon dioxide energy liberated in small quantity from one mole of glucose occurs temporally for short periods.
5. Anthrax swelling on body and reduced milk yield bovine tuberculosis lungs affected dry Husky cough black rot of mustard and cauliflower and bacterial blight of cowpea in plants
6. there are basically three main points of Cell Theory first the cell is the smallest unit of structure of all living things secondly the cell is the unit of function of all living things thirdly all cells arise from preexisting cells.
7. kwashiorkor is an African term which means the sickness of the child gets when a new baby arrives this is so because the eldest child source of protein that is mother's milk is no longer available and now he is usually set on a starchy diet consisting most of fruits and vegetables it affects children from edge 1-5 years it is due to deficiency of proteins in the diet the skin of the patient becomes dark and scaly
Explanation:
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Answer:
1.
Nucleus - Regulates cell function.
Mitochondria - Release of energy in the form of ATP & Synthesis of respiratory enzymes.
Ribosomes - Protein synthesis.
2.
i. Salivary gland
The salivary glands are one of the important exocrine glands. The main function of the salivary gland is to produce saliva. Saliva has many functions in the digestion process as follows:
a] It is used to lubricate the mouth.
b] It helps to swallow the food.
c] It helps to protect the teeth from bacterial infections.
d] It aids in the food digestion.
ii. Liver
The liver is one of the digestive glands and plays an important role in the digestive system. It is the largest gland of the human body. It is located in the abdominal cavity. The liver is connected to the two following large blood vessels.
Hepatic vein – It is used to carry the blood, which is rich in oxygen.
Portal vein – It is used to carry the blood, which is rich in digested nutrients.
iii. Pancreas
The pancreas is a gland which has two functional units to secrete both endocrine and exocrine enzymes. It is located between the duodenum limbs. Pancreas consists of two portions as follows:
Endocrine portion – It is used to secrete the hormones, insulin, and glucagon which circulate into the bloodstream.
Exocrine portion – It is used to secrete the digestive enzymes into the small intestine which are called as pancreatic juice.
3.
The mechanism of breathing involves two main processes: inspiration and expiration. Inspiration occurs when the diaphragm and the external intercostal muscles contract. Expiration occurs when the diaphragm and the intercostal muscles relax.
4.
Aerobic respiration takes place in presence of oxygen; whereas anaerobic respiration takes place in absence of oxygen. Carbon dioxide and water are the end products of aerobic respiration, while alcohol is the end product of anaerobic respiration.
5.
Escherichia coli and Salmonella cause food poisoning
Helicobacter pylori cause gastritis and ulcers.
Neisseria gonorrhoeae causes the sexually transmitted disease gonorrhea.
6.
The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. The third part, which asserts that cells come from preexisting cells that have multiplied.
7.
Malnutrition produced by a severely inadequate amount of protein in the diet.
Protein malnutrition, or kwashiorkor, is mostly found in people living in geographical areas that have limited food resources. It's most commonly seen in children whose diets are low in protein and calories.
Delayed growth in children, a swollen stomach and frequent infections are symptoms.
Treatment for kwashiorkor may include a slow increase in calories followed by an increase in protein.
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