My geog teacher made me feel really embarrassed

I’m sec 3 and I was sick for a few days and I came back to school. There was some geog work in Google classroom done during my absence which I caught up on myself but I wasn’t able to submit because of the due date being over. During class I wanted to tell my geog teacher that I was sick and couldn’t submit the work but she cut me off 5secs in when I all I said was “I was sick” and hadn’t even gotten the “I can’t submit it” out and said “Not my problem! You sick you study yourself!” Then I said that I couldn’t submit in on Google classroom and then she was like “of course lah! Due date closed already” then later on said in front of the entire class very loud “you sick, not my problem” but then she ended up opening it again and turns out that a handful of other people didn’t and couldn’t submit because of it too. Tbh she made me tear up a little bit in class and then a lot once I got home. I’m I’m over sensitive It made me really upset because I really love geography a lot and after sec 1 eoy, I finished reading the entire sec 2 geog textbook over the holidays and already started reading through a good amount of the sec 3 textbooks and already leaned the part we were going through at the time. I study a lot on my own and I just felt super embarrassed