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Svetlanka [38]
3 years ago
10

The blood mass of a mammal is proportional to its body mass. A rhinoceros with body mass 3000 kilograms has blood mass of 150 ki

lograms. Find a formula for the blood mass of a mammal as a function of the body mass and estimate the blood mass of a human with body mass 70 kilograms.
Biology
1 answer:
fredd [130]3 years ago
3 0

Answer:

B = 20 b

3.5 Kg

Explanation:

Given

Body mass of rhinoceros = 3000 Kg

Blood mass of rhinoceros = 150

It is also given that blood mass is proportional to the body mass of the species.

Thus, if B represents the body mass and b represents the blood mass the relation between the two can be represented as

B ∝ b

On introducing a proportionality constant "k" , the relation becomes

B = kb

The value of proportionality constant "k"  can be determined by substituting the given values of B and b in above relation -

3000 = k * 150\\k = \frac{3000}{150} \\k = 20

Thus the relation becomes

B = 20 b

Part A

estimate the blood mass of a human with body mass 70 kilograms.

Substituting the given values , we get

70 = 20 * b\\b = 3.5

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