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Biology jokes 🧠 in 2025

Teacher: “What is the definition of a protein?”
-Student: “A protein is something that is made up of mean old acids.”

What did the Endoplasmic Reticulum say to the Golgi.
-I like your body, and the Golgi said it’s complex.

The biology teacher told us our skin is the biggest organ…
-Here i was thinking it was the one they play in the church down the road!

My Biology Teacher Asked What ATP is…
-I replied, “where Native Americans live.”

What did the Endoplasmic Reticulum say to the Golgi?
-“I like your body,” and the Golgi said, “It’s complex.”

I think I’m failing my marine biology class
-My grade is below C level.

Y’all want to hear a potassium joke?
– K.

I was going to study marine biology dude. Turns out it was just a lot of maths.
-Really dude? What course?

Algae brah.

If H2O is the formula for water, what is the formula for ice?
-H2O cubed.

What do you call a FISH with no Eyes?
-A FSH.

Biology Professor: The small intestine of human is only 6 meters long, yet contains villi that is folding up so much, when unfolded, it’s about 40 square meters.
-Professor (continued): If you walk on that, it’d take you 7x of time than you expected.

Student: I experienced that in Ikea.

I took my Biology exam last Friday. I was asked to name two things commonly found in cells.
– Doh.

What do sprinters eat before a race?
-Nothing, they fast!

I told my Biology lab partner to let me be her DNA helicase…
-So I can unzip those genes.

I made a DNA joke in my biology class but no one laughed…
-Guess my thymine was off.

How do you make a hormone?
-Don’t pay her.

Dr. Parker, the biology instructor at a posh suburban girl’s junior college, said during class, “Miss Smith, would you please name the organ of the human body, which under the appropriate conditions, expands to six times its normal size, and define the conditions
-Miss Smith gasped, blushed deeply, then said freezingly,
Dr. Parker, I do not think that is a proper question to
ask me, you should be asking a boy. And I assure you my
parents will hear of this.” With that she sat down, very
red-faced.

How do you pass a biology test on excretion?
-Process of elimination.

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