What Causes the Pumping Action (Influx and Outflux of Water

question 46

Multiple Choice

What causes the pumping action (influx and outflux of water containing nutrients and waste) of the intervertebral discs in adults?

• A)blood supply
• B)body motion
• C)neural activity
• D)both blood supply and body motion
• E)all of these answers are correct

---

Definitions:

Economic Sectors

The distinct areas of economic activity within an economy, such as agriculture, manufacturing, and services, each contributing to the overall economy.

Basic Sector

Economic activities that provide goods and services beyond the local market, contributing to a region's economic growth by bringing in external income.

Primary Sector

The sector of an economy involving the extraction and collection of natural resources, such as agriculture, forestry, fishing, and mining.

Secondary Sector

The part of the economy that is concerned with transforming raw materials into finished or semi-finished products, often referred to as the industrial sector.