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Milestones in Human Biology Discoveries

Human Biology

Test your knowledge on landmark discoveries, inventions, and firsts in human biology and medical science.

biology discoveries history-of-science physiology

3 Questions Hard Ages 5+ Sep 8, 2026

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About this Study Set

This study set covers Human Biology through 3 practice questions. Test your knowledge on landmark discoveries, inventions, and firsts in human biology and medical science. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 3 questions from the Milestones in Human Biology Discoveries study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Who discovered the ABO human blood group system in 1900, earning the Nobel Prize in Physiology or Medicine in 1930?

A Karl Landsteiner
B Paul Ehrlich
C Emil von Behring
D Robert Koch

2 In 1869, which Swiss physician isolated a substance he named 'nuclein' from the nuclei of human white blood cells, marking the first discovery of DNA?

A Albrecht Kossel
B Friedrich Miescher
C Phoebus Levene
D Oswald Avery

3 Which German pharmacologist demonstrated chemical neurotransmission in 1921, leading to the identification of acetylcholine as the first known neurotransmitter?

A Henry Dale
B Otto Loewi
C Santiago Ramón y Cajal
D Bernard Katz

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