இதயமும் இரத்த ஓட்ட மண்டலமும் செயல்படும் விதம் 

சிறந்த ஆசிரியருக்கான விருது வழங்க வேண்டிய நபர்

Awesome teaching na evlovo time heart padichuruken ippathan purinju padikren thank you

Unbelievable expalin Anna school college vanthiyar kuda Epti solli tharala na Ur great na

sir,your communication skill,teaching method,language slang,pitch of voice are superb!

Very clearly understand this topic . I am very satisfied . thank you sir.

மிக தெளிவாக புாிந்தது மிக்க நன்றி

Sir super sir......nan thoongumbothu ketta kooda ezhunthu theliva explain pannuven sir.....nalla puriyuthu sir.....clear explanation.....

Sir super u r great ,your way of teaching different, puriyathavangalukum puriyum, marvellous

Superb sir heart functions ellam ipo than cleara purinjathu sir👌👌👌👌👌👌👌👌

Very nice video.it is very useful to me and my children . thank you very much for videos​

What a clear explanation!!!....u are a really talented teacher....thank u so much sir!!

Last video extraordinary. Very clear explanation sir. Superb 👌

மிகவும் அருமையாக இருந்தது

Anna super explain.life la itha marakave matom.very good anna.ungalathu sevai enrendum thodara god kita ungalukukaga pray pannikrom anna.nanri.

Wowww. Nice explanation sir..Easily understood.Thank you so much sir.

This is the best video for blood circulation system thank you sir

சிறப்பு u r a great teacher

Unga dedication Vera level. .,👍💯💯💯💯💙💚

Sir super..gud job sir tq tq so much...ivlo nala itha patiga mutiyama heart valichathuthan micham ipo heart supera iruku sir tq sir

Such a great teacher... U are great sir. Inthamai teacher iruntha ellarum science la full mark than.... Thank you so much for teaching this class thank you...

Great sir

Sema sir... Neenga sonna maariyae avalo easy ah irukku sir

great sir eppavum marakatha mari solli kuduthutinka sir

Intha oru video ve pothum sir heart pathi therinchuka tq so much sir

no words to tell about ur teaching sir...thank u so much for ur clear explanation...

Thank u sir...nenga n Muthuganesan sir n Karthik sir..,three of us tnpsc aspairants kidaitha varam.....

Easily understand Vera level sir neenga 💯💯🙏🙏🙏😚😚😚😚

Excellent teaching sir thank you for ur effort. Always ur unique sir.

Very useful video sir... Spr sir.... Tq so much sir.....

school la ovvoru year padichum puriyala sir unga oru video va pathathum mindla aeriduchu padikkave thevai illai sir thank u sir

Sir innaiku tha enakku nalla purinjiruku super sir u teach

Best teach sir and book la rmba words pottu knjm satisfection ye illama erunthuchi bt unga teaching marakkave marakathu tnk u

Tq sir.... science ellam epdi padikrathunu rmba kastama irunthuchu... bt ipo apdi ila... tq sir

Anna super Anna ... Idheepoola naraiya video's poodunga .. Super super super

Sema sir supper explanation... Nice well don sir 🙏🙏👍👍👍

Nice sir....easy ah understand achu....

Very useful 👏👏👏👇👌

Nice bro..ivlo nala evlo padichalum maranthurum ineme marakave marakathu...

மிகவும் அருமை

Exalent teaching & good sir keep it tap

nice stuff. great explanation.. intha video ah one time pakuravanga lifekum ida marakamatanga...

Execellent teaching......vera level.....tq sir

Easy to understand.. 👌👌👌👌no need to read again..

Onume puriyama mandaya odatchitu irunthen apppda purinjidutchi thank you bro

sir super...................................................... nandri sir

Sema clear ah solli irukinga sir

Sir super theliva puriyuthu. Inimel intha concept marakka thu.👌👌👌

It is very useful to all hants off👍

super sir

Tq sir clear explanation pls continue

Really you easy way to teach us, thanks anna u r best teacher for us

Good understanding

Really super sir

Today i saw dis video clearly explained deserve a lot and upload more videos like dis

Super sir inimel enaku epovume marakathu thank u so much

தெளிவான தகவல் சார்.

அருமை அண்ணா

tq sir... ethe mathiri 10 மண்டலம் um explain pannunga sir...

Semma teaching Sir ippotha na clear ah understand pannirukan intha topic ah

Super video.. Clearly understood

Great explanation ty dear

Superb Sir...👍

Bro.... kantipa...nenga nalla... asiriyar..... good ..........

U r a genius 😇😇😇😇👏👍👏👏👌👌🥇🥇🥇🎗️🎗️

Sammmma sir👏👏👏👏👏👏👏👏👏👏👍👍👍👍👍👍

Super... do more videos

EXCELLENT VIDEO.

wow! clear sir.ennaikkumey marakkathu thnq sir.

Excellent sir

Wow👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏

Arumai sirr,,,,

Superb sir.....semma explanation... Video and teaching..... Tq u so much sir......ithumaari innum niraiya vedios podunga sir pls.....

Excellent

Super sir....👌👌

super explaining.... nalla purinjudhu bro.....tq bro....

very nice sir,

Tank you Anna cleara purunchuthu

Super sir very clear

Nice effort

Chances illa sir.conform this year am going to job.thank u so much sir

Very clear explanation, thank you for your great job..

Very nice

நன்றி ஐயா

Fantastic

Super sir......

Thank you sir. Sir video parthudu books read Panna easy ah iruku sir. Thank you so much sir.

Great teacher sir neega 🙏🙏🙏🙏

Tq u sir..very useful videos..

Thank you very much

Very nice sir

Super sir and heartful thank you

Semma sir niga solrathu semma easy ya erunthusu tq sir

Awesome sir

Sir super easya understand agiruchu thank u so much🙏👏👏

Sir you are a good teacher for us.

Super sir thank you

Super teaching

Very good Explanation sir,Thank you.

Thanks for your useful information

Fantastic sir, animals oda idhaya araigal ethanai sir confuse aah shortcut video podunga