Answer:
B. a decrease in the number of pathogens in the body
Explanation:
White blood cell includes immune cell like monocytes, macrophages, neutrophils, basophils, eosinophils, etc. These cells are responsible for fighting with the pathogens or foreign molecules and eliminate them from the body.
So when any pathogens get enter in the body these cell kills those pathogen and protect us from them. Therefore the decrease in the number of pathogens in the body is a direct indication that the white blood cells in the body are working. So the right answer is B.
Answer:
an individual's production of offspring per breeding event or lifetime.
Explanation:
I searched it up. If this is a multiple choice question and this is an option choose this.
sorry im new to this lol
Answer:
Phylum platyhelminthe
Explanation:
Although a few of the free living marine and terrestrial species are very beautiful, most species are not particularly attractive to the human mind. Their body is dorso-ventrally flattened.
They exhibit bilateral symmetry. They do not have a body cavity and are acoelomate. The movement of most platyhelminthes is using a wavelike motion that is controlled by longitudinal, circular, and oblique layers of muscle as they contract and relax simultaneously.