Answer:
According to me, rationalization...
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Answer:
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Explanation:
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Answer:
Daily physical activity helps to prevent osteoporosis and osteoarthritis
Explanation:
Osteoporosis is a disease caused by the loss of bone density, making bones fragile and more likely to break, while arthritis can be defined as the inflammation of the joints, which may be caused by the breaking of the bones. The most severe type of arthritis is osteoarthritis. Physical exercise helps to slow the rate of bone loss, thereby it is possible to prevent bone diseases such as osteoporosis and osteoarthritis by making regular physical activity, reducing thus the risk of bone fractures. Moreover, physical activity may also help to maintain muscles that work together with the bones to support every movement. It is also important to highlight that healthy food habits such as, for example, adequate daily consumption of vitamin D and calcium can also help to prevent bone loss.
Answer:
mouth-oesophagus- stomach- small intestine-large intestine
Explanation:
Digestion can be defined as the process in which large food particles are broken down into smaller particles.
Digestion begins in the mouth, the teeth helps to break down the large food particles into smaller one, this process is known as mechanical digestion. After this process the saliva secretes an enzyme called ptyalin which further breaks down the food into simpler forms that can be absorbed by the body.
The food food then passes through a long muscular tube known as the oesophagus to the stomach through a series of contractions called peristalsis.
The stomach is a sac like organ, here the food particles are crushed and grinded into more simpler forms. The stomach secretes enzymes that further break down the food particles. The food particles then moved to the small intestine.
The small intestine is made up of three segments; the duodenum, jejunum and ileum. The food particles is further broken down by enzymes released by the pancreas and bile released by the liver. The duodenum is responsible for further breaking of the food while the jejunum and ileum absorb nutrients from the food into the blood stream.
The remaining liquid food particles from the small intestines then moved into the large intestine where it is converted into a solid form by the colon and then secreted out of the body.
