1. D
2. B
Those are your answers hope this helps!!
Answer:
Number 4
Explanation:
4. It conveys the right branch of the atriventricular bundle.
This part of the heart is found in the right ventricle and it is important because it carries part of the right bundle branch of the atriventricular bundle of the conduction system of the heart to the anterior papillary muscle and it is also used by radiologists etc to easily identify the right ventricle.
We shiver and produce goosebumps to “turn on the heat”, and we sweat to “turn on the cool.” an organism must be able to maintain stable internal conditions in a changing environment
