BiologyBhanu · Class 4-5
Namak: thoda dost, zyada dushman
Kheere pe namak chhidko aur 10 minute ruko — plate mein paani kahan se aa gaya?
Socho pehle… phir dekho jawab
Namak ne kheere ke andar ka paani baahar kheench liya! Hamare shareer ke andar bhi namak aur paani ka yahi khel chalta hai.
Hamare shareer ko thoda namak chahiye. Namak nason (nerves) ko sandesh bhejne aur muscles ko theek se kaam karne mein madad karta hai. Pasina aata hai toh thoda namak bhi baahar jaata hai — isliye pasina chakh kar namkeen lagta hai.
Par zyada namak khaaoge toh shareer apne andar zyada paani rok leta hai. Cause-effect: zyada paani, toh khoon ki naliyon pe zyada dabaav. Isse bade hokar high BP (blood pressure) ho sakta hai, jo dil ke liye theek nahi.
Chips, namkeen, instant noodles aur achaar mein chhupa hua bahut namak hota hai. Isliye ghar ka khaana, phal aur sabzi zyada, packet wali cheezein kam — yahi smart choice hai.
Ghar pe try karo
Grown-up se kheere ki do patli slice katwao. Ek pe chutki bhar namak daalo, doosri pe kuch nahi. 10-15 minute baad dono ko dekho — kis pe paani ki boondein aayin?
Wow!
Doctor kehte hain bade logon ko din bhar mein ek chhoti chammach (lagbhag 5 gram) se kam namak khaana chahiye — aur bachchon ko usse bhi kam!
Mummy-Papa ke liye
Aaj khaane ke waqt saath mein ek packet ka label padhiye aur 'sodium' ya namak dhoondhiye.
3 sawaal
- Kheere pe namak daalne se paani baahar kyun aaya?
Jawab dekho
Namak ne andar ka paani kheencha. Namak apni taraf paani kheenchta hai, isliye kheere ka paani baahar aa gaya.
- Zyada namak khaane se bade hokar kya ho sakta hai?
Jawab dekho
High BP. Zyada namak se shareer paani rokta hai aur khoon ki naliyon pe dabaav badhta hai.
- Kis cheez mein chhupa hua namak zyada hota hai?
Jawab dekho
Chips ka packet. Chips jaisi packet wali cheezon mein bahut namak hota hai, phalon mein nahi.
NCERT se jodo: NCERT Class 4-5 EVS — khaana aur hamara shareer