I'm not sure that this is 400 words but this is what I came up with.
Answer:
Piaget's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence. It was originated by the Swiss developmental psychologist Jean Piaget (1896–1980). ... Piaget's theory is mainly known as a developmental stage theory.
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Answer:
The answer is B: It is a tube lined with a mucous membrane.
Explanation:
The pharynx is a smooth tube approximately 12 cm long, which begins at the level of the neck and ends at the epiglottis, is related to both breathing and oral use; it is lined with a mucous menbrana; emits intelligible sounds, being the biggest resonator.
Adolescents differ from adults in the way they behave, solve problems, and make decisions. Other changes in the brain during adolescence include a rapid increase in the connections between the brain cells and making the brain pathways more effective.
Proper and frequent hand-washing techniques can be considered a biomedical innovation in the 19th century because, during that time, it was the introduction of something new.
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What is hand-washing?</h3>
- Hand-washing was a new method introduced to medicine and clinical environments to keep areas as sanitary as possible and prevent the spread of disease.
- The act of washing one's hands with soap or hand-washing and water is referred to as hand hygiene and is done to get rid of bacteria, viruses, and other harmful and undesired items that have adhered to the hands. As wet and moist hands are more easily recontaminated, drying the cleansed hands is a necessary step in the process.
- Unless hands are visibly abnormally unclean or greasy, hand sanitizer that is at least 60% (v/v) alcohol in water can be used in place of soap and water if neither is available.
- In order to stop the spread of infectious diseases at home and in other settings, hand-washing is essential to practice good hand hygiene.
To learn more about hand-washing with the given link
brainly.com/question/5343238
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