A Meter Stick Balances at the 50

question 18

Multiple Choice

A meter stick balances at the 50.0-cm mark.If a mass of 50.0 g is placed at the 90.0-cm mark,the stick balances at the 61.3-cm mark.What is the mass of the meter stick?

• A)127 g
• B)178 g
• C)89.7 g
• D)32.6 g
• E)73.4 g

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Definitions:

Fenestrated Capillaries

Capillaries with small pores in their endothelial lining, allowing for the rapid exchange of substances between blood and tissues.

Large Fenestrae

Large fenestrae are large pores found in some capillary walls, facilitating the rapid exchange of substances between blood vessels and surrounding tissues.

Endocrine Glands

Glands that produce hormones and release them directly into the bloodstream to regulate various body functions.

Semilunar Valves

Heart valves located at the exits of the right and left ventricles, preventing blood from flowing back into the ventricles after it has been pumped out.