I think A would be the answer
The arrangement are SA node, internal pathways, AV node, AV
bundle, Bundle branches and Purkinje fibers. The anatomy of the intrinsic
conduction system causes contraction of the ventricles to activate at the apex
and move superiorly so blood is forced upward, toward the semilunar valves.
Answer:
Well I was gonna say B
Explanation:
I didnt understand ur question if u thought it was D or if that was a smile face why u would smile but I'm going to say B because the bars on the grill are touching the food and transfering heat
Microbiology studies organisms too small to be seen with the naked eye
Only animals in the same <u>species</u> can always breed and have fertile offspring.
Although animals in the same genus<em> can </em>breed, their offspring are usually infertile.