Human
Biology
Facts
100

The most common DNA test used for paternity testing is performed by collecting buccal cells, which are found in what specific body part?

Cheek

100

What mosquito-borne, parasitic disease causes red blood cells to explode after they've served as a mating ground?

Malaria

100

Organ transplants in the United States are dominated by one organ, which is involved in over 50% of all organ transplants that occur. What organ is this?

Kidney

200

Measuring up to 23 feet long when spread out from end to end, what organ has three regions called the duodenum, jejunum, and ileum?

Small Intestine

200

Also called a "molecular machine," what organelle found in the cytoplasm of living cells builds proteins from amino acids?

Ribosome

200

The rare condition of a dorsal cutaneous appendage on a human being is more commonly known as what appendage?

Tail

300

An average human performs what basic function about 20 times a minute, or over ten million times a year?

Blink

300

Which molecules that are the primary building blocks of the plasma membrane in cells?

Lipids

300

Omphalophobia is the specific fear of what body part biologically classified as the umbilicus

Naval or Belly Button

400

What is the common name for photoreceptor cells in the human eye that are often considered a pair with rod cells?

Cone Cells

400

An anoxic environment isn’t ideal for humans, but certain organisms thrive in them. Anoxic means that which element needed by most life to survive is absent.

Oxygen

400

Announced in 2020, the program AlphaFold 2 program became record-settingly good at using AI algorithms to accurately predict the structure of what biomolecules?

Proteins