Since the Hemolymph of Crustaceans Leaves the Heart by Arteries,why

question 29

Multiple Choice

Since the hemolymph of crustaceans leaves the heart by arteries,why is it considered an open rather than a closed system?

• A)The hemolymph lacks any respiratory pigments.
• B)The hemolymph flows through the hemocoel and returns via venous sinuses rather than enclosed veins.
• C)The heart does not pump hemolymph but it moves by ciliary action instead.
• D)The arteries "dead end" and the hemolymph must backflow through the arteries.
• E)The hemolymph lacks any respiratory function.

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Definitions:

Pythagorean Theorem

A mathematical principle that establishes a relationship between the lengths of the sides of a right triangle, stating that the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Radical Equation

A mathematical equation that involves a radical, where the variable is inside a root, such as a square root or cube root.

Graphing Calculator

A handheld or software tool that plots graphs, solves equations, and performs other mathematical calculations.

Pythagorean Theorem

A fundamental relation in Euclidean geometry among the three sides of a right triangle, stating that the square of the hypotenuse is equal to the sum of the squares of the other two sides.