Give one function of each of the following:
(i) epiglottis _______________
(ii) alveoli _______________ - Junior Cycle Home Economics - Question 12 - 2019
Question 12
Give one function of each of the following:
(i) epiglottis _______________
(ii) alveoli _______________
Worked Solution & Example Answer:Give one function of each of the following:
(i) epiglottis _______________
(ii) alveoli _______________ - Junior Cycle Home Economics - Question 12 - 2019
Step 1
(i) epiglottis
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The epiglottis acts as a protective flap that covers the opening of the trachea during swallowing. This function prevents food and liquid from entering the trachea and, consequently, the lungs, thereby allowing for safe ingestion.
Step 2
(ii) alveoli
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The alveoli are the primary sites for gas exchange in the lungs. They facilitate the exchange of oxygen (O₂) and carbon dioxide (CO₂) between the air in the lungs and the bloodstream, ensuring that oxygen is absorbed while carbon dioxide is expelled.
Join the Junior Cycle students using SimpleStudy...