Questions

Polyunsaturated fats are healthy fats whcih we can get from eating greeny leaf vegetables, fish and some seeds that are helpful in brain functioning, nutrient rich blood, hair growth, etc...

Arteries carry oxygenated blood away from the heart to the tissues, except for pulmonary arteries, which carry blood to the lungs for oxygenation (usually veins carry deoxygenated blood to the heart but the pulmonary veins carry oxygenated blood as well).

Deficiency of Iodine cause Goiter also called Enlarged Thyroid. It doesn't give any pain but difficult to swallow and breath are its causes.

A tenant farmer is one who resides on land owned by a landlord. These farmers would have to share the yield with the landowner in a process known as sharecropping. In the South, these farmers need to have their own tools and animals.

IC's (Integrated Circuits) also called as Chips or Microchips whose invention allowed computers to be smaller and smaller.