Below the Level of the Heart, the Movement of Blood

question 138

Multiple Choice

Below the level of the heart, the movement of blood in the veins toward the heart is caused primarily by

• A) gravity.
• B) the contraction of venous walls.
• C) cilia lining the veins.
• D) the contraction of nearby skeletal muscles.
• E) venous capacitance.

---

Definitions:

Comprehensive Federal Plan

A detailed and inclusive strategy or program developed by the federal government to address a particular issue, incorporating various aspects and strategies for effective implementation.

Climate Change

Long-term alterations in temperature, precipitation, and weather patterns, often attributed to human activities such as the emission of greenhouse gases.

Fossil Fuel Taxes

Levies imposed on the sale or use of fossil fuels, aimed at reducing consumption and mitigating environmental impacts.

Equilibrium Constant

A numerical value that represents the ratio of concentrations of products to reactants at equilibrium, for a reversible chemical reaction.