What membrane line the respiratory and digestive tracts?

What membrane line the respiratory and digestive tracts?

Definition: The moist layer of tissue lining the digestive, respiratory, urinary and reproductive tracts – all the body cavities with openings to the outside world except the ears.

What separates the tract for the respiratory and digestive system?

The larynx is a region located below the pharynx and is the area in which the tract divides into the respiratory tract and digestive tract.

Do serous membranes line the digestive and respiratory tracts?

Three serous membranes line the thoracic cavity; the two pleura that cover the lungs and the pericardium that covers the heart. A fourth, the peritoneum, is the serous membrane in the abdominal cavity that covers abdominal organs and forms double sheets of mesenteries that suspend many of the digestive organs.

Where does the respiratory and digestive tracts cross over?

There are three main divisions of the pharynx: the oral pharynx, the nasal pharynx, and the laryngeal pharynx. The latter two are airways, whereas the oral pharynx is shared by both the respiratory and digestive tracts.

Where is the mucous membrane?

The moist, inner lining of some organs and body cavities (such as the nose, mouth, lungs, and stomach). Glands in the mucous membrane make mucus (a thick, slippery fluid). Also called mucosa.

How do digestive and respiratory work together?

Your respiratory system takes in oxygen from the air. It also gets rid of carbon dioxide. Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body.

Is mesentery a serous membrane?

The serous membrane that surrounds the parts of the gut tube and forms the outer layer of the organs. The visceral peritoneum is also referred to as the tunica serosa. The mesentery. This double layer of peritoneum, known as the mesentery, suspends much of the small intestines from the posterior abdominal wall.

What are the 3 serous membranes?

The pleura, pericardium and peritoneum are serous membranes.

How many respiratory tracts are there?

Pharynx (throat): Tube that delivers air from your mouth and nose to the trachea (windpipe). Trachea: Passage connecting your throat and lungs. Bronchial tubes: Tubes at the bottom of your windpipe that connect into each lung. Lungs: Two organs that remove oxygen from the air and pass it into your blood.