“Essential” fatty acids are known as essential because?  (this is also applies to essential amino acids).

Consider the following: Monounsaturated fats (triglycerides) have one C-C double bond while polyunsaturated fats (triglycerides) have many C-C double bonds.

Examine the graph   * 22 fish were used in the experiment   * test chamber held 70 liters of water. Which item best represents the independent variable in this experiment?

The opening between the vocal cords is called the ____.

____ is a fatty molecule made by alveolar cells to reduce surface tension and prevent alveolar collapse between breaths.

Folds of mucous membrane called ____ vibrate to provide speech.

The mucosa-lined windpipe that extends from the larynx to the level of the fifth thoracic vertebra is called the ____.

Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by ____.

Air flowing out of the lungs is known as ____.

Using Figure 13.1, identify the following: The oral cavity is indicated by ____.