I've been practicing

I've been drawing more humans but i feel that's really hard to me make it look like a real human, I added some lines to do the chest, and try to made the knees look less rigid. But i don't know how to improve it from here, anything else i do just make more weird. 
So a try to draw less humans forms and someone told me to look the "Preston Blair animation book",So I drew this bear from the book to improve my sense of proportion and depth.

[img]https://imgur.com/a/d4HOwJ1[/img]

https://imgur.com/a/d4HOwJ1

If you want your drawings to look more human. I would recommend looking into Proko’s YouTube channel and as well the loomis method to get a better understanding of facial proportions. As long as you keep consistent practice and focus on your art fundamentals drawing faces will feel more natural overtime c: