Answer:
Bowel Movement
Your stool passes out of your body through the rectum and anus. Another name for stool is feces. It is made of what is left after your digestive system (stomach, small intestine, and colon) absorbs nutrients and fluids from what you eat and drink. Sometimes a bowel movement isn't normal.
Explanation:
Dude spread this out it’s hard to understand where the blanks are to answer your question..
Answer:
the pineal gland
Explanation:
It is an endocrine gland in the brain that regulates sleep and wake cycles and also secretes melatonin.
They are part of an organ system
