Answer: Iodine
Explanation: Goiter can be defined as the abnormal enlargement of thyroid gland, located at the base of the neck just below the Adam's apple.
Although most of the goiters are painless but it may cause cough that created difficulty in breathing and swallowing.
It is caused due to intake of inadequate amount of iodine in food that we eat. When iodine requirement is not met by the food that we eat, then thyroid will not synthesize adequate amount of thyroid hormone, that may result in the formation of goiter.
So, the correct answer is Iodine.
So a tripod position is when someone is sitting and leaning over, either with both hands on their knees or their elbow on one knee while the other hand is on the hip. They do this because they cant breathe
So the answer is A
The major function of the large intestine is to absorb water from the remaining indigestible food matter and transmit the useless waste material from the body.