Question

1. how could a blood test reveal what foods a person has eaten? a. the blood would contain particles of undigested food. b. the blood would change color - based on the type of food. c. the blood would contain nutrients absorbed from the food. d. the blood would contain white blood cells from certain foods. 13. the circulatory and digestive systems interact with each other to help maintain homeostasis in the human body. which pair of actions describe how these two systems work together to maintain homeostasis? a. taking in oxygen and transporting it to all the cells b. moving nutrients and fighting infections in the body c. removing wastes and excreting them out of the body d. providing nutrients and transporting them to the cells

Explanation:

For question 12, a blood - test can show nutrients absorbed from food as they enter the bloodstream. For question 13, the circulatory system takes in oxygen and transports it to cells, and the digestive system provides nutrients which the circulatory system transports to cells. These actions help maintain homeostasis.

Answer:

1. C. The blood would contain nutrients absorbed from the food.
2. A. taking in oxygen and transporting it to all the cells; providing nutrients and transporting them to the cells