Answer:
B
Explanation:
This ensures that the research is corroborated by other scientists and is peer-reviewed hence increasing the veracity of the findings. This also ensures that conflict of interest is addressed whereby the findings by the company may appear to be compromised or biased because such a finding would be in favour of their own needs (such as financial gain). Peer review in such case is even more important because it involves humans subjects and ethics are paramount in healthcare research.
When the body becomes dehydrated, a chemical signal is sent that causes nephrons in the kidneys to absorb more water and excrete more salts. This is an example of a <em>D Feedback loop</em>.
First answer is , as the work of ventricle is to push blood to he whole body , so it has to be strong or it can not pump blood to head to the toe !
as in frog (an amphibian ) it has only three chambers as two artia and one ventricle, so the oxygenated blood from left artia and deoxygenated blood from right , combines and thus partial oxygenated blood is circulated !
<span>There are three major groups of mammals, categorized on the basis of their method of reproduction. Monotremes lay eggs to have children instead of having the mother bear them. The second type of mammal is the marsupial, which are non-placental animals who carry their young in their pouches. Eutherians are the third group who are placental mammals.</span>
