Which of the following shows an integration of systems?

A)   Thinking or dreaming
B)   Transporting blood through arteries, arterioles, and finally to capillaries
C)   Transport of food from the esophagus through the stomach to the lumen of the small intestines
D)   Touching a hot pan and pulling back
E)   Exchange of gases across alveolar membrane, moving from internal to external environment
A)   Thinking or dreaming
B)   Transporting blood through arteries, arterioles, and finally to capillaries
C)   Transport of food from the esophagus through the stomach to the lumen of the small intestines
D)   Touching a hot pan and pulling back
E)   Exchange of gases across alveolar membrane, moving from internal to external environment