Nutrition in Man | One Shot Part 01
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- เผยแพร่เมื่อ 4 ต.ค. 2024
- Nutrition in Man | One Shot 01
The human digestive system is a complex and essential part of our body, responsible for breaking down the food we eat into nutrients, which the body uses for energy, growth, and cell repair.
It consists of a series of hollow organs joined in a long, twisting tube from the mouth to the anus, along with other organs that help with digestion. Here’s a step-by-step look at the main parts and their functions:
1. Mouth
Teeth: Chew food into smaller pieces.
Salivary Glands: Produce saliva, which contains enzymes that begin breaking down carbohydrates.
Tongue: Helps in mixing food with saliva and pushing it towards the pharynx for swallowing.
2. Pharynx and Esophagus
Pharynx (Throat): A muscular tube that serves as a pathway for the movement of food from the mouth to the esophagus.
Esophagus: A long tube that connects the throat to the stomach. Peristalsis, a series of muscle contractions, moves the food down to the stomach.
3. Stomach
Gastric Juices: Produced by glands in the stomach lining, these contain enzymes and hydrochloric acid to break down proteins and kill bacteria.
Churning: The stomach muscles contract to mix food with gastric juices, turning it into a semi-liquid mixture called chyme.
4. Small Intestine
Duodenum: The first part of the small intestine, where most chemical digestion occurs. Bile from the liver and gallbladder, and pancreatic juice from the pancreas, are released here.
Jejunum and Ileum: These sections are primarily involved in the absorption of nutrients through the intestinal walls into the bloodstream.
5. Liver, Gallbladder, and Pancreas
Liver: Produces bile, which helps digest fats.
Gallbladder: Stores and concentrates bile, releasing it into the small intestine.
Pancreas: Produces digestive enzymes and bicarbonate, which neutralizes stomach acid in the small intestine.
6. Large Intestine (Colon)
Cecum: Receives chyme from the small intestine and starts the process of water and salt absorption.
Ascending, Transverse, Descending, and Sigmoid Colon: These sections further absorb water and electrolytes, compacting the waste into feces.
Rectum: Stores feces until they are ready to be expelled.
7. Anus
Anus: The final part of the digestive tract, where feces are expelled from the body through defecation.
Each part of the digestive system plays a critical role in ensuring that the food we eat is properly digested and that nutrients are absorbed efficiently. From chewing in the mouth to the absorption of nutrients in the small intestine and the expulsion of waste through the anus, this system is vital for maintaining overall health and well-being.
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Sir please upload part 02
Allamah Ibnul Qayyim رحمه الله has mentioned that the habit of Nabi Salallahu Alayhi Wasallam was that of not drinking immediately after eating as this is harmful to the digestion process. [1] However, if there is a pressing need to drink immediately after that, then only drink enough to quench the thirst.
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May Allah give you long and happy life
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Thanks you so much sir ❤❤
AssalamuAliakum
Sab tareef Allah K liye Jo hame hr Kam krne ka capable bnata h !
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Yes sir
Assalamualaikum sir salivary glands are 3 major glands parotid gland which the base of pinnae of ear sub lingal base of tongue and sub mandibual base of jaw
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Animals also chew on sticks, barks, bones, and grass to help clean their teeth after big meals. Since animal diets don't contain acids or refined sugars, they don't need to worry about plaque and cavities like we do!
Most dogs don't consume many sugary or acidic foods that lead to bad bacteria's growth. Canine teeth are mostly narrow and pointy, not flat and grinding, which give bacteria fewer places to take root and do damage.
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Thanks a lot sir we are waiting for remaining lectures
Sir mashallha interested with your lecture ❤
In humans and animals, the main cavity-causing culprit is a bacterium known as Streptococcus mutans. But because animals aren't consuming a lot of carbohydrates, their mouths aren't inundated with this specific bacterium. The result, then, is fewer cavities.
Kiya baat hai
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Part 2 pls
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Thanks sir
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@@biologylacturs155 ❤️❤️❤️❤️
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A lot of thanks ❤
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Waiting...
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also waiting for part 2 dear sir
when you upload part 2 of it ???
😪🙄😏😶
2nd lecture upload please sir
Sir any tips for complete course. REvision one day before test
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Sir isliye nhi kharab ho rahe kyunke woh cooked food nhi kha rahe haamri tarah plus mouth mak koi bacteria honge
salam sir! when is 2nd part coming?
sir you said ingestion is actually swallowing but acc to AI both are different terms! plz reply sir
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What is nutrition in my own words?
Nutrition is about eating a healthy and balanced diet. Food and drink provide the energy and nutrients you need to be healthy. Understanding these nutrition terms may make it easier for you to make better food choices.
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Sir why Arafat sir are offline from long time
Haa yaar ?
He is teaching in few academy of Hyderabad and he has no time for online lectures
Sir g hazrat Muhammad SAW na farmaya ha ka khana sa pehla or dermian ma pani pia but science kah rahi ha ka khana sa 45 min pehla or bad pani nahi pina chahia is sa HCL dilute ho gata ha or digestion acha sa ni hoti ??
Need reference of that Hadees e nabwi (SAW)
@@DrAsimLecturesA.o.A sir, Kia one shot video enough hai pore chapter ko deeply Samajne keliye yaa ye video sirf MDCAT walo ki revision keliye hai?
Sorry sir hazrat Muhammad SAW ki koi b asi hadees ni ha or hm bachpan sa ya hi sun rha tha ab ma na search ki to pta chla ka Hazrat Muhammad SAW naa Kuch b ASA ni frmaya
Circultion plzzz
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Sir next chapter Diversity among animals plz
I'm also doing thsi chapter nowadays and I'll suggest you to watch lectures of ritu mam. She is an Indian teacher but she's amazing, just simply scearch (ritu ratewal animal kingdom) and here you go
I think these reasons are enough 🙂🙃
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Another reason animals don't need the same oral care we do is because they have much shorter lives; chances are good their teeth will outlast the body's longevity. Some animals, such as alligators and sharks, grow more than one set of teeth throughout their lifetime
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How?
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What did Prophet Muhammad say about eating food?
The Messenger of Allah ﷺ said: 'A human being fills no worse vessel than his stomach. It is sufficient for a human being to eat a few mouthfuls to keep his spine straight. But if he must (fill it), then one third of food, one third for drink and one third for air. '”
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Are these lectures for first year pre medical or only for mdcat?
For both
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Bahi nutrition Ka chapter Mdcat Ka syallabus ma ha ya
@razaquebaloch10 ap Sindh ka syllabus parh rahe
@@asmaarain2336 G Sindh
42:45 me thinking.. extracellular digestion must occur at plasma membrane 😂😂 (outside of the cell) 😂😂
Heart❤ ??? Upload kr dooo sir
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Homeostasis
@1:10:00
Dear sir why women use lipstick there is any scientific reason behind it ???
❤
Sir hmra nutrition chapter to nh hai ya agr hai to ap bta dein kis name s hai
Nutrition k naam se
@@DrAsimLectures nai Hai sir hmri book me digestive system K nam s hai
@Everyday_Quran928 wo he bhai
@@DrAsimLectures ok sir meny andr Sy Dekha ni Tha 😅 me puchna chah ra th K andr Sy b same rhy Ga na content
Kesi ko pata hai Hyderabad board ka inter ka result kab tak ata hai
Alimentary canal means
Digestive syatem
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@@DrAsimLectures area sir
sir 11 ki classes kab start hogi 2024 ke batch ki
sir please batai?