Structure
1. In terms of the structures that air passes through as you breathe in, put the following in the correct order: lungs; nasal cavity; bronchi; trachea.
Answer: nasal cavity; trachea; bronchi; lungs
2. What are the two phases of activity in the lungs? Which structures does air pass through after the bronchi? What are the functional units of the lungs?
Answer: insipration; expiration; bronchioles; alveoli.
Function
3. What is the major constituent of air? Which constituent of air is accumulated in the blood at the alveoli? Which constituent of air is removed from the blood at the alveoli? What is the exchange of these constituents called?
Answer: nitrogen; oxygen; carbon dioxide; respiration.
4. What happens at inspiration?
Answer: the diaphragm descends & the rib cage rises; pressure inside thorax falls; lungs expand; air enters lungs.
5. Describe the structure of the alveoli. By what process is oxygen and carbon dioxide exchanged at the alveoli?
Answer: small sacs; single cell layer; close proximity to pulmonary capillaries; diffusion.
I was diagnosed with COPD with 55-60% lung capacity. and Hiv, My doctor just said all the crying , stomping your feet will not change it so just accept it and basically patted me on the back and sent me home to die. I was devastated and was afraid to do anything. I stopped riding my bike, I was afraid to do anything that would cause any exertion. It consumed my thoughts with every breath and the fear of what to expect was almost more than I could deal with. So I couldn't get myself all time I decided to find a herbal cure online and I came across Doctor Itua on how he cure several people suffering from Hiv, and Herpes I gave him a call on this Number +2348149277967 also chat on whatsapp he gave me all the details about the cure i paid him for the medicine after 5 working days i receive my herbal medicine ,I use it for two weeks that is how I get Cured and today I'm living healthy and fine I give him thanks also promise him to testify about his work,He Can also cure the following diseases..Copd,Herpes,Alzheimer's disease,carcinoma.Asthma,Allergic diseases.Parkinson's ,Epilepsy,Cancer,Fibromyalgia,Hiv,Hepatitis,diabetes,Coeliac disease,Infertility, Asthma.Contact...drituaherbalcenter@gmail.com..Whatsapp Number...+2348149277976
ReplyDelete