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Mathematical Constants in Human Biology

Mathematics

An exploration of quantitative measurements and mathematical patterns within human physiological systems.

biology anatomy statistics

8 Questions Hard Ages 15+ Sep 20, 2026

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About this Study Set

This study set covers Mathematics through 8 practice questions. An exploration of quantitative measurements and mathematical patterns within human physiological systems. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 8 questions from the Mathematical Constants in Human Biology study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the approximate golden ratio (phi) value often cited in the proportions of the human facial structure and the arrangement of phalanges in the fingers?

A 1.618
B 3.141
C 2.718
D 1.414

2 In a healthy adult, the glomerular filtration rate (GFR) is approximately how many milliliters per minute, reflecting the mathematical efficiency of the kidneys?

A 25 ml/min
B 125 ml/min
C 225 ml/min
D 325 ml/min

3 What is the standard mathematical value used for the average cardiac output in a resting adult human in liters per minute?

A 2.5 L/min
B 5.0 L/min
C 7.5 L/min
D 10.0 L/min

4 The total surface area of the human lungs for gas exchange, when flattened, is approximately how many square meters?

A 10-20 m²
B 50-75 m²
C 100-150 m²
D 200-250 m²

5 The human genome contains approximately how many base pairs, a massive mathematical sequence of A, T, C, and G nucleotides?

A 1 billion
B 3 billion
C 6 billion
D 9 billion

6 The pH of human blood is tightly regulated within a narrow mathematical range. What is the standard physiological mean for arterial blood pH?

A 6.85
B 7.20
C 7.40
D 7.65

7 Using the Rule of Nines, a common mathematical tool in medicine, what percentage of the total body surface area is represented by each entire lower limb in an adult?

A 9%
B 18%
C 27%
D 36%

8 How many bones are typically found in the adult human skeleton, representing a specific integer sum of cranial, axial, and appendicular components?

A 186
B 206
C 226
D 246

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