In the Open Circulatory System of Insects, Blood Is Returned

question 130

Multiple Choice

In the open circulatory system of insects, blood is returned to the ventral tubular hearts through:

• A)suction created by hemolymph moving from posterior to anterior.
• B)vessels off the muscular heart that feed back into the dorsal tubular hearts.
• C)muscles associated with locomotion.
• D)rocking motion of the entire body by the insect every few seconds

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Definitions:

Long-Run Aggregate Supply Curve

This curve represents the total output of goods and services that an economy can produce when it is most efficiently using all of its resources, unaffected by short-term fluctuations in demand.

Vertical

A business strategy or integration whereby a company controls more than one stage of the supply chain, from production to retail.

Line Segment RS

A part of a line that is bounded by two distinct end points, R and S, and contains every point on the line between R and S.

Unemployed Resources

Resources such as labor and capital that are not currently being used in the production process.