Biology, 20.08.2019 20:30 ctyrector

How do you think the nervous, epithelial, connective, and muscle tissues in your stomach work together in the process of digestion? (hint think about the functions of the four types of tissues.)

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Muscle tissue(smooth) which the stomach itself is made of provides the site for protein digestion and holding the contents until the food can be fully digested by other organs. The muscle movements of stomach also provides the churning action which mixes food with enzymes. Connective tissue like the blood vessels absorbs some of the digested nutrients including water to be carried thru the body by the blood which is a connective tisdue. Blood vessels like capillaries which are where the absorption takes place. Epithelial tissue, which lines the stomach protects it from the acid and enzymes as digestion occurs. Nervous tissues provides the stimulus for the actions or movements for the other tissues at work in the stomach. For example, the churning action of stomach and contractions are caused by nerve impulses on the muscles of the stomach.

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advantage of using stem cells in medical research:

1. it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

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the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

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