In an adult, approximately how long is the windpipe or trachea?

Health Trivia / February 08, 2026

11 Cm. During swallowing, a flap called the "epiglottis" at the top of the windpipe closes to prevent food from entering.

What does an adult human have an estimated 75 trillion of?

Health Trivia / February 07, 2026

Cells. About half the cells in the body are bacteria, 10% make up the solid tissues, and the remainder are blood and lymph cells.

How many bones are there in an adult human body?

Health Trivia / February 07, 2026

206. A baby is born with 231 bones but some fuse, leaving adults with 206 bones.

What is another name for the vitamin B3?

Health Trivia / February 06, 2026

Niacin. Niacin, or vitamin B3, can be found in nuts, meat, fish, chicken, liver, enriched grain products and peanut butter.

What is the major achievement during the sensorimotor stage of Piaget's theory of child development?

Health Trivia / February 06, 2026

Object Permanency. Jean Piaget, whose theories formed the basis of developmental psychology, was awarded the Erasmus Prize in 1972.