"The processing of air by the respiratory tract" Human Respiration PPT Courseware 6

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"The processing of air by the respiratory tract" Human Respiration PPT Courseware 6

Digestion of the three major nutrients

①Digestion of starch: starch maltose glucose

Digestion begins: oral cavity

Complete digestion site: small intestine

Digestive juices involved: saliva, pancreatic juice and intestinal juice

②Protein digestion: protein peptides amino acids

Digestion begins: stomach

Complete digestion site: small intestine

Digestive juices involved: gastric juice, pancreatic juice and intestinal juice

③Digestion of fat: fat, fat particles, glycerol + fatty acid

Digestion begins: small intestine

Complete digestion site: small intestine

Digestive juices involved: bile, pancreatic juice and intestinal juice

learning target:

Knowledge:

a. Know the components of the respiratory system.

b. Understand the role of the respiratory tract.

c. Recognize that the respiratory tract has a limited capacity to handle air.

Emotional aspect

Recognize that the respiratory tract's ability to process air is limited, and consciously maintain fresh and clean air in the environment; pay attention to the health of your own respiratory system and develop good living habits.

discuss

1. What structure does the respiratory tract have to ensure smooth airflow?

2. In addition to ensuring smooth airflow, what other functions does the respiratory tract have? How are these effects achieved?

3. With the respiratory tract processing the air, can the human body completely avoid the harm of harmful substances in the air?

4. How is phlegm produced? Why should we not spit everywhere?

5. Winters in Northern Europe are very cold. What are the possible characteristics of the nose shapes of people living there compared to those living near the equator? Why?

choose

1. Which part of the respiratory system is both a respiratory passage and a sound-producing organ ( )

A nose B pharynx C larynx D trachea

2. The function of nasal hairs in the nasal cavity is ( )

A Filter out dust B Warm air C Humid air D Kill germs

3. When a person swallows, the structure that can cover the entrance to the larynx and prevent food from entering the trachea is ( )

A Thyroid cartilage B Epiglottis cartilage C Cricoid cartilage D Adam's apple

4. The reason why the nasal cavity can feel the stimulation of odor is ( )

A There are nasal hairs in the nasal cavity B There is mucus in the nasal cavity

C There are olfactory cells in the nasal mucosa. D There are capillaries in the nasal mucosa.

5. Each of the following examples attempts to discuss the advantages of breathing through the nose, but one item is incorrect. It should be ( )

A. Olfactory cells in the nasal mucosa can sense odor stimulation

B． The nasal mucosa is rich in capillaries and can warm the cold air inhaled

C. Nose hairs can block dust in the air that people inhale.

D. The nasal mucosa secretes mucus to clean and moisten the inhaled air

6. If you eat while talking and laughing, food can easily get into the trachea.

A. Airflow impact, glottis split wide B. Airflow impact, laryngeal cavity enlargement

C. The epiglottis cartilage fails to cover the mouth of the larynx D. The cricoid cartilage is enlarged

3. Judgment

1. Bone or cartilage is used as a scaffold in the respiratory tract to ensure smooth airflow. ( )

2. There are abundant capillaries in the mucosa on the inner surface of the nasal cavity, which can warm the cold air inhaled. ( )

3. With the respiratory tract processing the air, the human body can completely avoid the harm of harmful substances in the air. ( )

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For more information about the PPT courseware "The Human Body's Respiratory Respiratory Processing of Air", please click the Human Body's Respiratory ppt Respiratory Respiratory Processing of Air ppt tag.

"The processing of air by the respiratory tract" Human Respiration PPT Courseware 5:

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"The processing of air by the respiratory tract" Human Respiration PPT Courseware 4:

"The processing of air by the respiratory tract" Human Respiration PPT Courseware 4 Knowledge Objectives 1. Describe the components of the human respiratory system; 2. Understand the role of the respiratory tract and realize that its ability to process air is limited; 3. Understand the functions of the nose, pharynx, and larynx. ..

"The processing of air by the respiratory tract" Human Respiration PPT Courseware 3:

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Update Time: 2024-10-18

This template belongs to biology courseware People's Education Press seventh grade biology book volume 2 industry PPT template

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