The Heart | 9-1 GCSE and IGCSE Biology | AQA, Edexcel, CIE, OCR, WJEC

[@rachel-ry9vv]

this woman has single-handedly saved my entire gcse

[@faizaimazhar]

everyone doing sciences at my school is depending on you now, a true hero

[@Alice-ff1gx]

THIS WAS AMAZING I CANNOT EXPRESS HOW THANKFUL I AM! You are a phenomenal teacher!

[@padmika2319]

this was the best explanation i've came through...
it was very clear....i loved it..

[@SciencewithHazel]

+Nisith Warnakulasuriya thank you very much, means a lot!

[@hannahtynegray]

SO MUCH CLEARER THAN MY TEACHER!! Thank you! Hopefully this helps with my moc GCSE tomorrow😫🙏🏼

[@v0ltgaming344]

Hannah TG how did it go?

[@Em-qf9kg]

i can't thank you enough, been so confused about this and you explained so clearly, THANK YOUU!

[@hxrrietk1593]

This really made it clear for me Thankyou 😊

[@marthagledhill8023]

I'm doing my first biology GCSEs on Wednesday and this video has helped me massively on how to understand the circulatory system. Thank you😊

[@AmandiPeiris2002]

You save my life in many ways....can't thank you enough for these awesome vids.......I'm less than 24 hours away from the biology exam

[@rachel-ry9vv]

me rn

[@ruvaraishechituwu8785]

me tooo

[@cheesenglam3816]

i really really can't thank you enough for explaining every topic

[@thirunayandinesh8646]

The umbilical artery and vein are also an exception right? ?Because umbilical artery carries de-oxygenated blood and umbilical vein carry oxygenated blood

[@yusrxn]

Yep :)

[@ameliae396]

Thank you, your explanation is very clear!

[@benwilkie283]

Thank you, this was very helpful :)

[@oliviaelliott1333]

I really really struggle with this topic- thanks!

[@esthergao8140]

Very clearly explained, thank you Hazel! X

[@bethdixon4066]

So helpful, thanks!

[@banban9599]

Thankyou

[@arjunshah3185]

Thank uuu!!!

[@nikhilmohan2064]

Thanks a lot!! It helped a ton!
Keep it up :)..

[@live_lifeyolo7610]

Thank you so much , finally I understand !!!!!!!

[@johngalvan4879]

i love u

[@SupDoyle]

i have my exam in 2 days wHOOP

[@asmamazhar4694]

could u explain with diagrams rather than your hands

[@asmamazhar4694]

the way u talk is really good but pictures r more helpful

[@alaynahurooj1995]

look them up yourself, give her a break shes amazing :)

[@cheesenglam3816]

the hands is powerful

[@SciencewithHazel]

@@alaynahurooj1995 thank you xx

[@SciencewithHazel]

@@cheesenglam3816 :) xx

[@shaziashah8645]

She's my wife