The absorption of nutrients in the small intestine is controlled by the digestive system. Excess nutrients are filtered out from kidney into urine through the excretory system. However, both these processes are regulated by the endocrine system.
Answer:
D
Explanation:
A-C would make great details in the report, but they do not explain his opinion on the topic (the VALUE of field trips).
They get into a fight over the spelling of vollyball so your answer would be B
