The umbilical cord I believe
The answer is pulmonary
artery. This is an artery in the circulation that holds the deoxygenated blood from the heart to the lungs<span>. The biggest
pulmonary artery is the pulmonary trunk from the heart and the smallest are
found next to the pulmonary alveoli<span>.</span></span>
Broad niche because it will be able to adapt and have a different niche under the same category
Hope I helped!
When an ion or a molecule passes through a membrane without something facilitating, or encouraging that passage, such as a protein does. What drives it is the force of the diffusion itself instead.
