Biology, 15.04.2020 20:40 mouna45

When blood droplets strike a surface, the shape of the stain changes depending on the angle of impact, velocity, distance travelled

and type of surface impacted. Often at angles , a distinctive exclamation point stain results.

A)

<10°

<400

<90°

>450

Answers: 2

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When blood droplets strike a surface, the shape of the stain changes depending on the angle of impac...