Questions

Oxygen is transported throughout the body via hemoglobin in the red blood cells. Hence, most of the oxygen transported by the blood is bounded to hemoglobin.

Salts and sugars work to preserve foods by creating a Hypertonic environment.

We know that, when we eat a meal, any carbohydrates we've eaten are broken down into glucose and passed into the bloodstream. This rise in blood glucose causes insulin to be released from the pancreas so glucose can move inside the cells and be used. As glucose moves inside the cells, the amount of glucose in the bloodstream returns to normal and insulin release slows down.

Nuakhai or Nuankhai is an agricultural festival mainly observed by people of Odisha and Chhattisgarh in India. Nuakhai is observed to welcome the new rice of the season.

Footsteps. 

Yes, as you walk forward, you will leave the footstep behind you.

A trampoline is a sheet or web supported by springs in a metal frame and is used as spring board.