Our sweat contains acids, something to which bacterias are vulnerable. A common acid found in sweat is urea.
Answer:

Hope it helped,
Happy homework/ study/ exam!
Physical activity i think, pls dont come at me
The correct answer would be D. Oxygen-rich blood is carried in the aorta from the left ventricle to the body
Answer:
Diagnostic Services.
Therapeutic Services.
Health Informatics.
Support Services.
Biotechnology Research & Development.