Answer:
Option D, Gastric Juices
Explanation:
The second line of defense is a non specific defense mechanism in which no specific individual is targeted but all invaders are killed in general way. Some common mode of second line of defense are - Phagocytic cells (white blood cells), inflammatory responses, macrophage system etc. The second line of defense comes into action when the invader has surpassed the first line of defense which include either physical barrier like skin, mucous membrane, hair, cilia etc. or chemical barriers like gastric juices, saliva, Hyaluronic acid etc.
Hence, gastric juice does not belong to second line of defense.
Thus, option D is correct.
Based on the options given, the most likely answer to this query is
A. Some animals exhibit similar stages in embryonic development. Embryonic development is where a fertilized egg undergoes similar development with other animals.
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Polygenic is a<span> </span>trait<span> that is controlled by a group of </span>nonallelic <span>genes. </span>For example, humans can be many different sizes. Height is a polygenic trait, controlled by at least three genes with six alleles. If you are dominant for all of the alleles for height, then you will be very tall. ... Skin color is also a polygenic trait, as are hair and eye color. A trait that is controlled by a group of nonallelic <span>genes
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Answer:
the fact that the bubbles of carbon are bursting due to the high amount of drilling recently
Explanation:
The cellular respiration happens in the mitochondria. During the cellular respiration, glucose and oxygen are the reactants during this process and the main product of this process is ATP, with waste products carbon dioxide and water. Therefore, the correct answer would be option B. O2 (oxygen) and C6H1206 (glucose).
