Which of the Following Is Not a Mechanism That Facilitates

question 74

Multiple Choice

Which of the following is not a mechanism that facilitates return of venous blood to the heart?

• A) Gravity,for veins that are above the heart
• B) Contraction of skeletal muscles
• C) Breathing
• D) Contraction of smooth muscle in most veins of the body
• E) Valves in veins

---

Definitions:

Equivalent Ratio

A ratio obtained from another ratio by multiplying each term by the same number, or by dividing each term by the same number.

Smallest Term

In mathematics, it refers to the term of minimal value in a sequence or among a set of terms.

Exchange Rate

The rate at which one currency can be exchanged for another, often fluctuating due to economic factors.

Canadian Dollars

The official currency of Canada, often symbolized as CAD or $, used in financial transactions within and outside of Canada.