An individual's ecological footprint is equivalent to the: total amount of food consumed by that individual.
Tying the legs and wings of poultry against the body to make a compact unit for cooking is called trussing.
The purpose of this is even cooking an a more attractive appearance.
The answer is Arteries
Arteries carry oxygen-rich blood from the heart to capillaries. On the contrary, veins carry blood without oxygen from the capillaries to the heart.
Arteries are very flexible and yet strong blood vessels so that efficient transport of oxygen-rich blood along the bloodstream through the organism is enabled.
