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Answer:
The correct answer is B. hypothyroidism
Explanation:
In hypothyroidism, the thyroid gland is not able to maintain an appropriate level of thyroid hormone in the blood. Thyroid hormone plays an important role in body metabolism and it also helps in proper growth and development of the body.
For the synthesis of thyroid hormone iodine is a very necessary mineral. 70-80% of all the iodine in the body is present in the thyroid gland which helps in making thyroid hormone. Iodine is obtained through diet and absence of iodine in the diet can lead to hypothyroidism in the body.
Answer:
The aorta from the heart supplies oxygenated blood to the body, divide into two coronary arteries, which supplies the blood to the muscles of heart. The person, who suffers from the coronary heart disease gets a waxy deposition in the coronary arteries. This deposition hampers the supply of blood to the heart.
This will affect the functioning of heart as proper supply for efficient pumping has not met. The person when take rest, the supply to the heart is met. So, he is having a partially blocked coronary artery. In case, the proper treatment is not taken, waxy deposition increases and coronary artery no longer functions. This may lead to heart attack.
Answer:
A microbe is a small living thing too tiny to be seen by the naked eye and includes bacteria, fungi and viruses. Among their destructive actions is causing diseases in human beings and their livestock or plants, destruction of food by causing decomposition which might lead to hunger and other related calamities. Despite this destructive consequences, microbes are also known to have advantageous actions like helping in sewerage treatment, microbes found in the gastro-intestinal tract help in maintaining a good environment for digestion to take place. Microbes also help in ecological balance by causing decomposition of dead matter hence conserve the environment.
Explanation: