Answer:
Joints hold the skeleton together and support movement. There are two ways to categorize joints. The first is by joint function, also referred to as range of motion. The second way to categorize joints is by the material that holds the bones of the joints together; that is an organization of joints by structure.
Explanation:
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Answer:
Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates.
Explanation:
Answer:
Marylyn, 23-year-old pregnant woman who is worried about the consequences of cigarettes on fetal well-being. He knows that the children of a smoking pregnant woman have stunted fetal growth, and to be underweight; They also have a high risk of congenital diseases, spontaneous abortions and sudden death. They will also present a disorder in the learning and behavior in children. They tend to be obese and addicted to cigarettes.
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Peristalsis in the Esophagus event triggers the opening of the gastroesophageal sphincter.
<u>Explanation:</u>
- In the esophagus, there are two types of peristalsis occurs.The first one is a "primary peristaltic wave" occurs through which bolus enters esophagus during swallowing.
- This "wave pushes the bolus down esophagus", into stomach in a wave lasting about 8–9 seconds.
- The esophageal sphincter in the lower region is separated by both sympathetic and parasymphathetic nerves.
- The pathways of vagal are a major for the relaxation of reflex of LES and this occurs in LES relaxations.
