thanks again 
3rd time the charm??
When a homeless man taught me how to ride in his three-wheel cart, I was overcome with emotion at how warm and kind he was. I donated $50 and we bonded over dinner. Since then, one of my personal missions has been to directly assist those in need. But how? The options seemed endless. It was after a year of personal discovery that I decided I wanted to pursue medicine. While I enjoyed Tournament of Towns (invitation-only maths competition), Chemistry Olympiad (HD) and AIMO (HD), which enhanced my creative problem solving skills, I was truly passionate about applying these scientific principles to hands-on projects. After talking to my cousin who recently finished medical school, I grew interested in general surgery as it uniquely satisfied my passion for analysing and applying concepts, and enabled me to work on the front lines curing patients. Furthermore, my experience of basketball has allowed me to enhance my teamwork and communication skills which are valuable to surgery team settings.
Great to see another person interested in general surgery! But this... it ticks all the boxes

well done
2. What activities (paid employment, work experience or voluntary work) have you undertaken, in addition to your studies, which indicate your motivation to study medicine or another health professional degree at James Cook University?
When I was young, my hometown Hubei had rice paddies and freshwater lakes where you could swim and catch fish. All that was destroyed during the mass industrialisation of China. Having experienced a sensation of loss, I could empathise with the rural communities during the Australian bushfires. Along with friends and family, I volunteered to raise money for the firefighters by busking in the city (I played the flute). This indicates my motivation to study medicine, as I have a genuine interest in others’ wellbeing. Beyond my line of work as a tutor for the Selective Schools Test, I saw that my student was secretly playing games while studying, affecting his performance and breaking his parents’ trust. I spoke to him as a friend, telling him that I believed it would be better if he could work out a plan or timetable with his parents, so they could openly communicate about his progress. My student followed my advice, showing how my goodwill had an impact on those around me.
The first part if great storytelling and the origins of your motivation; however, it doesn't fully answer the question. Try delving deeper into why the industrialisation of China-made you feel empathetic for those involved in the Australian Bushfires. Also, a little detail in the sentence, "having experienced a great sense of loss...", it doesn't give an exact picture. However, you have amazing examples

try and link your volunteering to medicine as it'll help answer the question.
3. Tell us why you are interested in a course where important themes are indigenous and tropical health and rural/remote medicine?
During my studies of PDHPE, I learnt about the health inequities experienced by indigenous populations. They have 4x greater prevalence, hospitalisation and death rates of type 2 diabetes, and much higher mortality rates for heart and respiratory diseases. This motivated me to apply to JCU as it raises awareness of the issues which matter to us as a nation. Moreover, I have personal experience with rural/remote health, as I have lived in the small country province of Hubei before, where there were very few certified doctors within the vicinity. One of my personal goals is to extend mobile health services to rural/remote communities to give them the option of safe health care, hence sparking my interest in JCU. Furthermore, learning about tropical health is important to me as there are many neglected tropical diseases such as Chagas disease and leishmaniasis that require attention.
This is really good! Try also adding how those living in rural communities experience lower rates of wellbeing and how you want to help increase wellbeing rates. This will give you an extra edge as it shows that you are concerned for the entirety of the patient rather than the patient's disease. Also, don't forget capitalisation for Chagas disease and Leishmaniasis. Another sentence to further explain why these tropical diseases require attention would help as it is a runoff sentence.
4. Provide any other information you believe will support your application.
Elon Musk said “ordinary people [can] choose to be extraordinary.” I stopped being intimidated by failure; I realised my future is in my own hands. I set realistic goals, and persevered to achieve them. This process of self-discovery has led me to develop a healthy growth mindset which helped me through many difficulties in Year 12. I believe it will continue to guide me in the future, through the inevitable tough times in both medicine and life in general.Also, having experienced the effects of stress first-hand during the HSC, I have experience in managing myself under pressure. I pursued a variety of hobbies throughout the year (flute, basketball, soccer, running) to sustain a healthy work-life balance. I plan on maintaining these hobbies and picking up boxing, which I believe will boost my personal health throughout a medicine career.
Great to see you highlighting very important factors needed for being a doctor

Amazing work Carl!