When You Step on a Cockroach or Smash a Fly,the

question 41

Multiple Choice

When you step on a cockroach or smash a fly,the blood appears colorless because

• A)the blood is enclosed in a closed circulatory system.
• B)the blood is actually a colorless hemolymph that carries oxygen on molecules other than reddish hemoglobin.
• C)there are no cells in the hemolymph.
• D)it does not contain hemoglobin or any other respiratory pigment.

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Definitions:

NaCl

Sodium chloride, commonly known as table salt, an ionic compound consisting of sodium and chloride ions.

AgCl

Silver chloride, a white crystalline solid that is photosensitive and less soluble in water.

Spectator Ions

Ions that are present in a chemical reaction but do not participate in it, remaining unchanged throughout the reaction.

Potassium Iodide

A chemical compound used in medical treatments, nutritional supplements, and as a protective measure against radioiodine exposure.