What are the bumps on my tongue for?

Tongue: Taste buds are the bumps on the tongue.

Bumps on tongue?: Those bumps or protrusions are called papillae and house the taste buds. There are four types of papillae present in the human tongue: fungiform papillae, filiform papillae, foliate papillae, and circumvallate papillae. They allow us to sense the five basic tastes of sweet, bitter, sour, salty and umami.

Yes: Yes, but if not symmetrical, or changing in size or appearance, or with symptoms, see your dentist or oral surgeon for exam/advice.

Papilla: These are normal structures called papilla and are involved with tasting.They may be affected by acidic foods and may be more prominent and reddend at times.