Can I see the models?? I don´t know what the cactus looks like/
Answer:
Both are breathing muscles
Explanation:
When rib muscles and the diaphragm contract they increase the volume of the chest cavity, increasing the air pressure outside the body, causing air to rush into the lungs to fill the vacuum created by the increase in volume.
<span>They are proteins that are secreted from fat cells to help regulate energy balance.</span>
Answer:
it illustrated natural selection because the most favorable traits live longer than the unfavorable traits.
Explanation:
The answer to your outstanding question is 3