aippqooo aippqooo

20-06-2016
Biology

contestada

how does the movement of the diaphragm cause the air to go in and out of lungs

Respuesta :

HermioneWeasly HermioneWeasly

20-06-2016

It creates a vacuum that causes the lungs to fill the open cavity and then when it is closed off it returns to its normal shape

Answer Link

Otras preguntas

Which sentence best describes the function shown? A) The function is odd. B) The function is even. C) The function is symmetric about the x-axis. D) The func

Cual es la actitud del poeta ante las culturas prehispanicas?

Which of the following is true about the polynomial 4x^3 - 2x? Select all that apply. A. The polynomial has two terms. B. The polynomial is a fourth degree poly

Part A How does Black Hawk use rhetoric in this excerpt to advance his purpose? The sun rose dim on us in the morning, and at night it sunk in a dark cloud,

a varies directly as b and inversely as the square of c. If a = 197 when b = 5 and c = 5, find a if b = 3 and c = 3

Kelvin is pitching for his high school baseball team. he has mastered the art of the curveball, and knows just how to twist his fingers around the seam of the b

Bonnie wants to make a picture frame for a 5 x 8-inch photo. What is the area of the frame if the frame is 1 inch thick? square inches

A subject of a research study is a passenger in a car involved in a motor vehicle crash. the subject sustained a broken wrist and mild concussion. the subject w

SIMPLY this algebraic expression y-3/3+12

Why were the first factories more efficient than the earlier putting -out system