7letters22 7letters22

04-05-2020
Physics

contestada

What happens to cause air to be exhaled from the lungs?

The diaphragm relaxes and moves upward.

The chest cavity expands and grows larger.

The lungs contract and then expand.

The rib muscles contract and move outward.

Respuesta :

lbuffle lbuffle

04-05-2020

Answer:

The lungs contract and then expand

Explanation:

Answer Link

Otras preguntas

In "i too" why does the speaker say "they" will be ashamed

an ostritch can run at a rate of 50 miles in 60 minuites. how long would it take an ostrich to run 15 mikes

The sum of three consecutive integers is 42. Let x be the middle of the three integers.

graphs help you see what

40 times what equals 180

how many outfits would be possible if abigail had only 2 shirts and 2 pairs of pants?

find the sum of (x+5) and (2x+3)

Which sentence is written in second-person point of view? He had never been as scared as he was now. Hyun had never been as scared as he was now. I have nev

What times what equals 81

50% of cakes were party cakes 1/5 were fruit cakes and the remainder were sponge cakes. What percentage of cakes were sponge