Answer:
The counter-current multiplier or the countercurrent mechanism is used to concentrate urine in the kidneys by the nephrons of the human excretory system. The nephrons involved in the formation of concentrated urine extend all the way from the cortex of the kidney to the medulla and are accompanied by vasa recta.
Answer:
it's an oval so prob the first answer
Answer:
Some alleles are dominant, and some alleles are recessive. Which is the best example of a hypothesis leading to new experimental methods? Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies. Scientists often use fruit flies as a method to test hypotheses about human genes.
Hope that Helps
Answer:
The correct answer is option 3.
Explanation:
Chronic bronchitis normally occurs with respiratory infection after the age of 35 where is emphysema occurs after the age of 50. There is usually a persistent,
productive cough of copious mucopurulent sputum where is in emphysema there is no cough or scant if any high breathing sound.
Thus, the correct answer is option 3.
There are several different kinds of seismic waves, and they all move in ... Body waves can travel through the earth's inner layers, but surface waves can only ... the earth, body waves arrive before the surface waves emitted by an earthquake.