As exercise levels increase, which of the following physiological changes occurs in the respiratory system? A. The respiratory muscles shrink. B. The lungs expand in size. C. The trachea widens. D. The airways narrow. Please select the best answer from the choices provided. A B C D

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Write a personal narrative essay that describes a significant experience that has shaped your identity. develop the narrative through pacing, dialogue, and details that engage the reader.

Can you me find area of the shaded region?