The heart is the main organ in the circulatory system, the structure primarily responsible for delivering the circulation of blood and transportation of nutrients in all parts of the body. This continuous task uplifts the role of the heart as a vital organ whose normal operation is constantly required.
Part C:
"Viajar en tren es car. Viajar en carro mas caro que viajar en bus. Viajar en avion es lo mas caro"
Part A:
"Viajar en tren es comodo. Viajar en carro es mas comodo que el tren. Viajar en avion es lo mas comodo."
Hope it help!!
Hay to used their translates are: Dutch-hooi, German-Heu, and English hew.