The heart, the blood vessels, and the veins are the components that carry oxygen from the heat to all parts of the body
Sperm is a sex cell that is created by meiosis and is needed for sexual reproduction.
Instant coffee it contains a lot of caffeine which maybe harmful to the body
A calorie is a unit that is used to measure energy. The Calorie you see on a food package is actually a kilocalorie, or 1,000 calories. A Calorie (kcal) is the amount of energy needed to raise the temperature of 1 kilogram of water 1 degree Celsius.
Source:
https://www.scientificamerican.com/article/how-do-food-manufacturers/