Describe how elongation occurs during the primary growth of roots and shoots.

The primary organs of the digestive system make up a long tube known as ________.

Name one way a primary source is different from a secondary source.

List four primary organs of the excretory system and explain the function of each.

Define primary and secondary growth. Which involves divisions of the apical meristem?

What are the primary lymphatic organs? What are the secondary lymphatic organs and tissues?

What are the four primary signs of inflammation? Explain the causes of each of them.

The primary source of energy for the brain and nervous system under normal conditions is?

What is the primary advantage of combining the retained earnings statement with the income statement?

What are the two primary sources for the elements that comprise the dissolved components in seawater ?

Explain the primary complication that could occur if this heart rhythm were not treated.

What is succession? Distinguish between primary and secondary succession and give examples.

The primary windings of a transformer which has an 80% efficiency are connected to 110-V ac. The secondary windings are connected across a $2.4-\Omega,$ 75-W lightbulb. Calculate the current through the primary windings of the transformer.

The tough cells of the ______ protect the apical meristem as the root grows through the soil.