1. The possible reason for John's chest pain would be due to atrial fibrillation. This is a quick and uneven heart rate which causes heart failure and stroke.
3) John's teammates should take following actions at the scene: They should take him to a comfortable place, give him a semi-sitting position.
The terms ac, al, ary, and ic are all adjective suffixes meaning "pertaining to."
<u>Explanation:</u>
The terms ac, al, ary, and ic are adjective suffixes. this means that "pertaining to". For instance let us take some words like, Cardiac, cephalic, congenital, integumentary,etc. the meaning of these words are pertaining to heart,head,presence of birth,skin respectively.
Here, the terms ac,al,ary,ic all refers to pertaining to. The term pertaining to refers to the meaning that it belongs to or related to something. It also refers to the meaning of applicable or appropriate or relevant.
In meiosis I, homologous chromosomes separate, while in meiosis II, sister chromatids separate. Meiosis II produces 4 haploid daughter cells, whereas meiosis I produces 2 diploid daughter cells. Genetic recombination (crossing over) only occurs in meiosis I.
Answer:
I am not sure but I think the answer is Intestinal artery.