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Презентация на тему The abdomen is bounded above by the thorax and below by two pelvic bones

) The digestive tract is some 8-10 m long and is divided into the following parts: oral cavity, pharynx, oesophagus, stomach, small intestine and large intestine.4) The liver lies under the

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Слайд 1) The abdomen is bounded above by the thorax and below

by two pelvic bones. From the cavity of the thorax it is separated by the diaphragm. Laterally and in front it is enclosed by the lower ribs and abdominal muscles. Behind, it is supported by the spinal column.
2) The digestive system consists of the digestive tract and digestive glands.
) The abdomen is bounded above by the thorax and below by two pelvic bones. From the

Слайд 2) The digestive tract is some 8-10 m long and is

divided into the following parts: oral cavity, pharynx, oesophagus, stomach, small intestine and large intestine.
4) The liver lies under the right ribs. The liver weighs about 1.5 kg. The liver that secretes bile which participates in the digestive process and has a defensive function.

) The digestive tract is some 8-10 m long and is divided into the following parts: oral

Слайд 3The gall-bladder lies beneath the right lobe of the liver. The

gallbladder serves as a bile reservoir.
6) The stomach lies under the left ribs. The stomach serves as a container of food, which is partly digested in it. Its capacity is some 1-2 litres.
7) The intestines occupy the central portions of the abdominal cavity. From the stomach the food passes in small portions into the small intestine where it undergoes further mechanical and chemical changes. The contents pass into the large intestine.

The gall-bladder lies beneath the right lobe of the liver. The gallbladder serves as a bile reservoir.6)

Слайд 4The wall of the greater part of the digestive tract consists

of three coats: internal - mucous, middle - muscular, and the external - serous.
9)The small glands in this coat secrete a viscous coat of the digestive tract. It facilitates the movement of food and protects the mucous coat from the damage by solid particles of food and various chemical substances.

The wall of the greater part of the digestive tract consists of three coats: internal - mucous,

Слайд 510)The wall of the pharynx and the superior part of the

esophagus, and the tongue and the soft palate all contain striated muscle tissue, other organs have smooth muscle tissue. Contractions of the muscular coat move food along the digestive tract.
11)The serous coat that covers the digestive organs in the abdominal cavity is called the peritoneum.

10)The wall of the pharynx and the superior part of the esophagus, and the tongue and the

Слайд 6The digestive glands secrete digestive juices that contain enzymes and some

other substances which take part in the chemical processes of digestion. Large glands include the salivary glands, the liver and the pancreas.
13)The nervous system regulates the activity of each organ.

The digestive glands secrete digestive juices that contain enzymes and some other substances which take part in

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