What is diabetes?

Diabetes is a disease which is caused due to increase in the sugar level in blood. lt occurs due to lack of insulin hormone. Diabetes is commonly known as sugar disease. Insulin hormone is secreted by the pancreases, Insulin regulates the amount of sugar in blood by converting extra glucose into glycogen. If there is lack of insulin hormone, the amount of glucose (sugar) increases in the blood. This condition is called diabetes.

Symptoms:
i.  Frequent urination
ii. Passing out of sugar in urine
iii. Excessive thirst and hunger
iv. Delay in wound healing
v.  Tiredness
vi. Blurred vision
vii. Muscle cramping

Preventive measures:                 i.Obesity should be reduced.
ii. Balanced diet should be taken.
iii. Hypertension should be reduced.
iv. Physical exercise should be taken regularly.
v. We should walk in the morning
vi. We should avoid smoking and drinking alcohol.
vii. We should consume sufficient amounts of fruits and vegetables.

Why does iron(or other magnetic substance) loses their magnetism when heated?

Iron becomes non magnetic when heated above 770°C. The temperature at which the substance loses its magnetism is called Curie point. High temperature disturbs the process of magnetism i.e, when the iron is heated,the atoms of the iron are vibrated with higher kinetic energy and loses the ability to be magnetized. Higher K.E.(random motion of the molecule) scrambles the iron atom so they can’t create magnetic field.

Empty space are kept in medical tablets, why?

1)Tese empty space prevent medicines from breaking down and also from external sock and vibration

2)Empty space are used to print the information including manufacture and expiry date.

3)For packets consisting of only one pill,these empty space is also maintained to increase the print area

4)When medicines are taken from place to place, they are at the risk of breaking. They also help to keep the medicines from breaking and spilling during transportation .

5)Turns out that the space are attached to the tablets. This is done to prevents the tablet from getting mixed up reducing chances of a chemical reaction.

Weight of a body is found less at the top of a mountain than at the bottom of it, why?

Ans: As we know that: weight(w)= mass(m)×accelearation due to gravity(g)

The value of ‘g’ is more at the bottom of a mountain due to less radius and less at the top of the mountain due to more radius (•.• g is inversly proportional to square of the radius) . Therefore, the weight of an object is less at the top of mountain than at bottom.

What is uric acid? What are the preventive measures of uric acid?

Uric acid is a compound of carbon, nitrogen, oxygen and hydrogen with the formula C5H4N4O3. It forms ions and salts known as urates and acid urates, such as ammonium acid urate. Uric acid is a product of metabolic breakdown of purine nucleotides and it it a normal component of urine.

In human blood plasma, the reference range of uric acid is typically 3.4-7.2 mg/dL for men and 2.6-6.1 mg/dL.

The amount of uric acid can be reduced in human body by the following method:

1) we should drink water several times a day

2) we should consume baking soda

3) we should eat 10-40 cherries a day

4) we should avoid the consumption of fatty red meat, sea food, pulses, etc.

The offspring produced by asexual and sexual reproduction process are dissimilar. why?

In asexual reproduction, crossing over does not take place and gamates are not produced. So, offspring produced by asexual reproduction are genetically identical to the parent. But in case of sexual reproduction,crossing over takes place during the formation of gamets. So variation occurs in the offspring

पानीमा लठ्ठी डुबाउँदा बाङ्गो र छोटो देखिन्छ किन?

पानीमा लठ्ठी डुबाउँदा बाङ्गो र छोटो देखिन्छ। लठ्ठीको तल्लो भागबाट आएका प्रकाशका किरणहरु जब पानीबाट हावामा प्रबेश गर्छन,चित्र(२)मा देखाएजस्तै गरि माध्यम(पानीबाट हावा) परिवर्तन गर्दा तिनीहरुको गति परिवर्तन हुन्छ र नर्मलबाट टाढा बाङ्गिन्छन । तसर्थ डुबेको भाग माथी उठेको जस्तो देखिन्छ र भाँचिएको जस्तो देखिन्छ।

चित्र नं.(१)

चित्र नं.(२)

How to measure blood pressure?

Blood pressure is measured by using sphygmomanometer

Step2

An inflatable cuff is placed around the upper arm and inflated until all blood flow,in or out of the arm stops. The blood flow is monitored using a stethoscope.

Step2

After inflation,there is no sound but as air escapes from the cuff, the pressure decreases until it falls just below the pressure of the heart as the contracts. This is systolic pressure.

Step3

pressure in the cuff continues to drop until the blood can be heard flowing constantly. This is the diastolic pressure.

Note:Normal blood pressure of adult is 120/80mmHg

Success, a peak point.

Who are the people who don’t want to be successful? Running away from the pursuit of success can reduce a man’s half-life, and continue his journey. Some cool shade can be found while battling difficulties during travel. After a few minutes i.n the shade, the person reaches its destination, but the person who spreads it will fall asleep there and in a few moments the sun begins to burn. The forward-looking man begins to gain a great deal of courage and dare to move on. After starting the journey with attention, you should continue. Success is possible.

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