Capillaries are where gas exchange happens, so for this diffuses you work they have to be one cell thick
Ligaments are connective tissyes which connect 1 bine to another.
characteristics are:-
1 has great strength
2 limited flexibility
3 connective tissue
Yes, the the moth species Stigmella heteromelis is alive due to the presence of desired or favourable environment for their survival.
<h3>Factors affecting the presence of a specie</h3>
The moth species Stigmella will be considered alive if the environment that species of Stigmella needs for their survival is present because if the environment exist on the earth then it is possible that the moth specie Stigmella is present on this planet but if the there is no suitable environment.
Then we make the opinion that the specie of Stigmella heteromelis is not present on this planet so we can conclude that the presence of species on the basis of desired or favourable environment for their survival.
Learn more about fossils here: brainly.com/question/11829803
(CALCIUM)
regulation in the human body. The role of vitamin D is shown in orange. Vitamin D is carried in the bloodstream to the liver, where it is converted into the prohormone calcifediol. Circulating calcifediol may then be converted into calcitriol, the biologically active form of vitamin D, in the kidneys.
