What kind of jobs can you do during gap year?

I only have my (bio,chem & maths) A level grades (bad) I’m planning on retaking and also finding a part time job but the problem is I have no work experience and I’m extremely socially awkward so I feel like I’ll probably not do well where direct contact with customers is involved… (I tried to get retail part time jobs before but always got rejected after the interview).

I would probably say kitchen porter is the easiest to get for you. It's usually not that difficult to apply and get; the problem is keeping the job because you would need to work fast and be organised.
I would rather you apply for entry level work in a hospital or something related to the NHS if you intend to go into healthcare, but I am not sure about your social skills.

The other jobs that you can potentially look for include:
Just out of interest, do you intend to apply for medicine? If so, you might want to think carefully about your options.

thanks but yh when I mentioned bad social skills I didn’t mean down right awful just not very good one to make a good sale’s person (I get too nervous when talking to strangers irl but that’s something I’m working on) but apart from that I wanted to apply to biomed. Idk what I should be doing at this point, I really don’t feel like going to a uni I don’t like, but I didn’t meet the grade requirements for all the uni’s I was interested in, only option is to retake. But then I’d have to find a job, I’ve been scrolling through diff job websites all day & it looks really rough out there, makes me think if I should just go to any uni so I won’t have to look for a job in the meanwhile.