Answer: circulatory system
Explanation:
The digestive system operates very closely with the circulatory system for delivery of the ingested nutrients through the body. The circulatory system carries also chemical signals from the endocrine system that regulate digestion speed.
The circulatory system works closely with skeletal muscle as well to provide efficient oxygen and nutrient transfer necessary for contraction and inhibitory waste products removal.
Hence, the correct option is circulatory system.
I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
The answer is:
<em><u>Carbohydrates give our bodies energy like sugars, glucose, fructose, sucrose and lactose. When you eat carbs, your body breaks them down into simple sugars then are absorbed into your bloodstream</u></em>
Hopefully this helped :)
<em>-Diego c:</em>
<span>Answer:
A child who develops anemia should be encouraged to consume more "meat and whole and enriched grain products".</span>