The nodal tissue of the heart | Body fluids and circulation | Biology | Khan Academy

[@Talibwani000]

Thank you.

[@Sunnyk6631]

thank you so much mam 🙏🏻🙏🏻🙏🏻❤️❤️😊😊

[@priyanka_qts]

Nice explanation

[@niteshmishra7146]

thanks a lot

[@Maria-jl5is]

thank youuuuuuuuuuu

[@pop_9o9]

Menstrual cycle plzzz plzzz plzzz..... I'll be very very grateful.......

[@fragon8188]

Thankyou

[@mercynirmalfernandez5814]

Anotomy of flowring plants please 🖐🏼😶‍🌫️

[@himanibhoir5842]

❤thanks

[@CAPTAINCOOLXX]

❤❤

[@rupal8974]

♥️