carbon: petroleum, coal
oxygen: ice, water, human body
Answer:
N82.3
N90.89
Explanation:
In this case, the patient has a history(not current) of the rectocele
The first diagnosis is rectovaginal fistula(Alphabetic Index for Fistula/rectovaginal is N82.3).
The second diagnosis isperineal scarring(Alphabetic Index for Scar, scarring/vulva is N90.89)
Therefore, code N81.6 won't be reported since it's stands for a current rectocele
Most sponge body plans are slight variations on a simple tube-within-a-tube design. which of the following is a key limitation of sponge body plans? sponges lack the specialized cell types needed to produce more complex body plans. the reliance on osmosis/diffusion requires a design that maximizes the surface area to volume ratio of the sponge. choanocytes must be protected from the hostile exterior environment. spongin cannot support heavy bodies.
Answer:
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.