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Tuesday, May 05, 2009

'Titanic' dan Sistem Pernafasan

Pos Pertama

1. Semalam, (Isnin, 04/05/2009), aku dan isteri ambil cuti tahunan, tapi tidak pergi mana-mana pun melainkan melepak di rumah tengok televisyen. Cuti 3 hari yang lepas, bermula dari Jumaat, 01/05/2009, aku lebih tumpukan kepada peperiksaan yang sedang berlangsung, hari Sabtu dan Ahad, 02~03/05/2009.

2. Jadi, lepas periksa, aku duduk di rumah sahaja. Lagipun, kedudukan matahari yang berada tepat dalam kawasan tropika dan peralihan tiupan angin monsun dari timur ke barat, membuatkan cuaca di luar amat panas pada ketika ini. Tidak sesuai untuk kanak-kanak terutamanya si comel kami.

3. Kami sekeluarga layan DVD, cerita Titanic (1997), lakonan Leornardo De Caprio dan Kate Winslet sebagai pelakon-pelakon utama.

4. Secara peribadi, sebenarnya dalam banyak-banyak babak tersebut, terdapat satu babak yang betul-betul aku suka, iaitu, bila Dawson berbual-bual dengan segolongan elit yang dihuraikan sebagai 'mindless' oleh Rose, iaitu ketika Dawson di jemput untuk hadir makan malam bersama golongan tersebut, sebagai tanda terima kasih setelah Dawson menyelamatkan Rose.

5. Setelah diajukan beberapa soalan yang sinis, berikut ialah skrip dari babak yang aku maksudkan tersebut;-

Well, yes, ma'am, I do... I mean, I got everything I need right here with me. I got air in my lungs, a few blank sheets of paper. I mean, I love waking up in the morning not knowing what's gonna happen or, who I'm gonna meet, where I'm gonna wind up. Just the other night I was sleeping under a bridge and now here I am on the grandest ship in the world having champagne with you fine people. I figure life's a gift and I don't intend on wasting it. You don't know what hand you're gonna get dealt next. You learn to take life as it comes at you... to make each day count.

6. Dalam masa yang sama, pada masa ini, Muadzam (3 tahun 9 bulan) sibuk menjerit, mengatakan bahawa, cerita abah dengan mama lambat sangat habis. Muadzam sebenarnya telah terlalu lama menjajah televisyen di rumah kami, jadi, kini adalah giliran kami pula. Mahreen, seperti biasa, masih merangkak.

7. Selain daripada apa yang Dawson katakan dan suasana lakonan yang hidup pada masa itu, bagi aku, ada kesan lain daripada perkataan '..I got air in my lungs' kerana ini adalah sebahagian daripada perkara yang perlu aku ingat dan mampu aku jelaskan pada bila-bila masa dengan terperinci iaitu;-

i. The respiratory system is the network of air tubes spreading out just like the branches and twigs of a tree, form the structure of the lungs. The trachea, or windpipe, divides into two bronchi and these on entering the lungs, divide into bronchioles, alveolar ducts, alveolar sacs and individual alveoli.

ii. The right ventricle of the heart pumps deoxygenated blood to the lungs via the pulmonary arteries. At the alveoli, gaseous exchange of oxygen and carbon dioxide takes place between air in the lungs and blood in surrounding capillaries.

iii. Described here is the microanatomy of the lungs and its components. Alveolar sacs are the terminal portions of the breathing tube system. Composed of up to thirty tiny air pouches, or alveoli, they provide a lung a total surface area of about 850 square feet (about the square feet of a cafeteria) for the exchange of gases. There are about 30,000 alveoli sachs, making the counts of individual alveoli of 30,000,000 units in the lungs.

iv. Alveolar walls, composed of a single layer of cells, and the thin boundaries of capillaries; a barrier only one twenty-five thousandth of an inch (1 : 25,000) thick; are all that separate blood and air.

vi. Exchange of carbon dioxide and oxygen across this barrier is completed in only a fraction of a second. Terminal bronchioles carry air to and from alveolar sacs.

vii. Cells lining bronchiole walls bear cilia, tiny, minute hairs whose beating action prevents large dust particles from entering the alveolar sacs.

viii. Macrophages on the inner alveolar surface ingest and destroy dust, soot and other foreign particles. These cells are the body's main (and last) line of defence against airborne bacteria drawn into the lungs.

ix. Connective tissue fibres form a frame around the alveoli and support their delicate walls.

x. Lymph vessels carry excess tissue fluid away from alveoli.

xi. Pulmonary venules take oxygen-rich blood back to the heart.

xii. Pulmonary arterioles conduct carbon dioxide rich, oxygen depleted blood to the alveoli.

xiii. Blood capillaries form a meshwork around the alveoli.

xiv. As blood flows through the capillaries it loses carbon dioxide and takes up oxygen and changes from dark to bright red in colour.


(source: Youtube, respiratory system and Metacafe, how the body works; microanatomy of the lungs)



8. Memang telah diperkatakan di kalangan kawan-kawan dan sahabat-sahabat aku, mereka kata aku suka menulis. Semester lepas, masa periksa Chemical Management pun aku terjawab lebih 2 soalan daripada 4 soalan yang sepatutnya aku jawab. Kawan-kawan sekelas aku kata, mereka tengok aku macam orang gila, tunduk menulis tidak habis-habis, sebelum ditertawakan selepas habis periksa.

9. Terima kasih kepada Tuan Haji Anuar Mohd Mokhtar, Profesor Madya Dr. Anuar Suun, Encik Fadzil Othman dan Ir. Nimi binti Ahmad di atas segala ilmu yang telah dicurahkan semester lepas.

10. Kadang-kadang, aku fikir, aku perlu menulis dan kemudiannya, membaca tulisan sendiri untuk tidak menjadi seorang yang pelupa.

1 comment:

-enditwithmyname- said...

lu memang suka menulis..