Answer:
The correct answer is biological.
Explanation:
When any pathogen invades the body, it has to pass several lines of defence. The first barrier is the skin and mucous membrane which is a physical and chemical barrier. The second line of defence is the non-specific response by macrophages, neutrophils and interferon. After crossing these two barriers the third line of defence comes into action in which, the B- cells and T-cells act specifically on the pathogen and destroy it.
Answer:
the answer is cytokinesis
<span>Receptors that provide animals with information from their internal environment are located in A. the eyes and the ears. Blood vessels, organs, erythrocytes or leukocytes are not part of the 5 senses. </span>
The answer is qualitative
They are all chromosomal mutations but if i had to choose it would be A
