The main organ in mammals respiration is the lungs<span>. The lungs are actively ventilated via a suction-pump mechanism of inhalation and exhalation. Breathing is dependent upon the rib muscles and the </span>diaphragm<span>, a structure shaped like a dome-shaped floor just beneath the lungs. </span>
<span>Inhalation happens when the rib cage opens up and the diaphragm flattens and moves downward. The lungs expand into the larger space, causing the air pressure inside to decrease. The drop in air pressure inside the lung makes the outside air rush in. </span>
Exhalation is the opposite process. The diaphragm and the rib muscles relax to their neutral state, causing the lungs to contract. The squashing of the lungs increases their air pressure and forces the air to flow out.
Antidiuretic hormone signals mammalian kidney epithelial cells to add more aquaporin molecules to the cell membrane which will lead to the following below:
- Water will move from filtrate into blood.
- Solute concentration in the filtrate will increase.
<h3>What is a Hormone?</h3>
This is referred to as a chemical messenger which is released into the bloodstream so as to control certain functions in the body system.
Antidiuretic hormone sends signals to the body to decrease water output which is done by signalling the mammalian kidney epithelial cells to add more aquaporin molecules to the cell membrane.
The aquaporin molecules are water channels which ensures that less urine is produced due to the small water content being present thereby making it the most appropriate choice.
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Answer:
The lion is the predator because the lion killed . Hope that helps
