Answer:
Nitric oxide.
Explanation:
Superoxide may be defined as the compounds that contain the superoxide anions like oxygen anion (O2-). This is also known as the reactive oxygen species.
These anions are generated by the immune system to kill the pathogens. These superoxide include the species like NO, NO2. These super oxide anions are toxic to the cell membrane and also plays an important role in the process of ageing.
Thus, the correct answer is option (A).
False like blood lymph won't flow both to and from the heart
Answer:
The advantages are-
*It leads to a good yield as if the parents are of good quality then the offspring will be more yielding
*They can give more than before that the parent gives.
The disadvantages-
*They are born with many typrs of diseases
*This leads to their death in early age.
The offsprings dies as theie body psrts are not fully developed.