Answer:
The cardiovascular system maintains homeostasis through the circulation of blood and, therefore, oxygen and nutrients to organs and tissues.
Explanation:
Milk, yogurt, most dairy can be rich source of calcium
It would be more difficult for a researcher to establish rapport with an informant they have not met.
Informants are very important in research because they help the researcher to find out things that would have been otherwise difficult to find.
Researchers generally prefer to meet their informants in person because:
- they can better read non-verbal cues such as hand gestures
- there is a chance for a better connection with the informant
- easier to establish credibility
All of these ensure that the researcher is able to establish rapport easier with the informant so meeting in person is better.
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Answer;
-occurs when the body gets the proper amount of nutrients, and
-assists with normal development.
Explanation;
-Optimum nutrition involves eating the right amounts of nutrients on a proper schedule so as to achieve the best performance and the longest possible lifetime in good health, assuming that external negative factors such as accidents and infectious diseases can be avoided. Therefore, it occurs when the body gets the right amount of nutrients and assists with the normal development of the body.