Answer:
As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules
Explanation:
Answer:
There are 11 major organ system in the human body,which include the circulatory,respiratory,digestive,excretory,nervous and endocrine system.The immune,integumentary,skeletal,muscle and reproductive system are also part of the human body.
Explanation:
