Questions & Answers
Browse all 12 questions from the
Algebra in Human Biology study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
The average adult has 5 litres of blood. If an algebra equation states 5x = 20, where x represents the number of bodies, how many bodies contain a total of 20 litres of blood?
2
An adult human has 206 bones. If a child has 300 bones at birth and loses 'x' bones through fusion to reach 206, what is the value of x?
3
The human heart beats about 70 times per minute. If 'y' represents total beats in 2 minutes, which equation represents the relationship?
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A
y = 70 + 2
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B
y = 70 / 2
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C
y = 70 * 2
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D
y = 70 - 2
4
A healthy human breathes approximately 16 times per minute. If 'b' is the total breaths in 10 minutes, what is the value of 'b' in the equation b = 16 * 10?
5
Human body temperature is typically 37 degrees Celsius. If x + 10 = 37, what is the value of x?
6
An average human skin surface area is 2 square meters. If the surface area of 3 people is represented by 3s = A, what is the total area A?
7
There are 24 ribs in a human adult. If 'r' represents the number of ribs per side, and 2r = 24, what is the value of r?
8
A standard glass of water is 250ml. If a person drinks 'w' glasses to reach 1000ml, and 250w = 1000, how many glasses did they drink?
9
The human eye blinks about 15 times per minute. If 'n' is the number of blinks in 3 minutes, which equation finds 'n'?
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A
n = 15 * 3
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B
n = 15 + 3
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C
n = 15 / 3
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D
n = 15 - 3
10
A human finger has 3 phalanges (bones). If a hand has 4 fingers with 3 bones each, and the equation is 4 * 3 = t, what is the total number of finger bones t?
11
Standard blood pressure is 120/80 mmHg. If the systolic pressure is represented by x, and x - 20 = 100, what is the value of x?
12
A human has 2 sets of teeth in a lifetime. If a person has 32 teeth as an adult and 'y' represents teeth if they had 3 sets, and y = 32 * 3, what is y?
