Can someone please help me. The subject is health

I can tell you the ones I know

Explanation:

4 is immune system

8 is mucus

and I pretty sure 9 is virus if I get u wrong I'm  so sorry  

when trichomoniasis does cause symptoms, they can range from mild irritation to severe inflammation. itching or irritation inside the penis; burning after urination or ejaculation; discharge from the penis.

the answer is d

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise