Answer: molecule transport and energy use
Explanation: I got the answer from castle learning
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.
A decomposer.
I hope this helps you, and have a good night! :D
Answer: carbon dioxide and water are combined in a series of reactions, sunligh provides energy for the reactions, the end result of photosynthesis is the production of sugars (glucose, a food) and oxygen (a gas)
Explanation: organisms use both oxygen to turn glucose into carbon dioxide, water and energy in the form of ATP.
