Several things.
Chicken pox
Measels
Heat rash.
Roll a glass over them to make sure they disappear.
pimples and chapped lips
small bumps along hairline
Many conditions cause small bumps. See your healthcare provider for a clear diagnosis.
aids
The taste buds are the bumps on your tongue
When you are pregnant those small bumps leak fluid to help lubricate your nipple to help it not dry out.
protein
YES!
Villi
Small red bumps on the skin could be signs of rashes or measles. It could also be a precursor to acne problems.
Ribosomes are small "bumps" located on the rough endoplasmic reticulum.
Your question does not contain enough information to be answered. Your question needs to mention where the bumps are on your body.