In Which Animal Is a Countercurrent Flow System Used to Acquire

question 21

Multiple Choice

In which animal is a countercurrent flow system used to acquire oxygen?

• A)Birds
• B)Lizards
• C)Fish
• D)Mammals
• E)Whales

---

Definitions:

Modulate

To adjust or regulate the degree, extent, or intensity of something, often used in contexts involving sound, emotions, or scientific parameters.

Feelings

Feelings are emotional states or reactions that can encompass a wide range of sensations, such as happiness, sadness, anger, or fear.

Emotion

A complex psychological state involving an individual's state of mind, physiological changes, and an outward expression.

Mood

A temporary state of mind or feeling that affects a person's emotional state.