Pembroke Pines FL â South Florida Post Offices will operate under adjusted hours for the Labor Day weekend. All Post Offices (retail and delivery operations) will be closed Monday, September 5, in observance of the Labor Day holiday. There will be no mail collections or regular mail deliveries on the holiday. Express Mail will be delivered over the three-day holiday weekend.
Many symptoms can signal problems with the GI tract, including: abdominal pain, blood in the stool, bloating, constipation, diarrhea, heartburn, incontinence, nausea and vomiting and difficulty swallowing, according to the NIH. Among the most widely known diseases of the digestive system is colon cancer.
Big Ideas Digestion. Digestion is the breakdown of food into simpler molecules that can be absorbed by the body. The digestive system is actually a long hollow tube called the gastrointestinal tract, or GI tract. The digestive system includes the mouth, pharynx, esophagus, stomach, small intestine, and large intestine.Several major glands include the salivary glands, the pancreas, and the liver. The first task of the digestive system is to break down food into a fine pulp (mechanical digestion).When the food is physical broken down, digestive chemicals break the food down into small molecules (chemical digestion). The mouth is the organ in which the process of digestion begins.he first task of the digestive system is to break down food into a fine pulp (mechanical digestion). When the food is physical broken down, digestive chemicals break the food down into small molecules (chemical digestion).