Answer:
in the wall of the right atrium of the heart.
Explanation:
The sinoatrial node (SA), consisting of spindle-shaped cells, initiates the electrical activity of the heart. From its location in the right atrium in proximity to the superior vena cava, the electrical activity spreads to the atria, whose cells are larger than those of the SA.
I think it is c but I’m not 100% sure so wait for someone else to answer too maybe ?
I’m not sure but you can use quizlet or google to help you find out the answer and just say your question and then quizlet at the end if your wondering how to get in quizlet on google just say your question and then quizlet and something should pop up!
Hope that helped you
Depth, flow, temperature, and chemistry of overlying water
Answer:
Prophase 1
Explanation:
In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.