Endocrine Ability of Heart, Kidney, Liver and Skin

[@junczhang]

love your lectures! you teach really well

[@yugandharatakkar5327]

Best videos ever

[@shrinithimani5924]

Nice it's easy to understand

[@mr-wc3xq]

screen shot 10:03

[@DapaChrons]

thank you as always

[@mr-wc3xq]

thank you

[@colbyrobinson5634]

nice!