Myocardial conduction cells are connected by cardiac muscle tissues
Answer:
Our sun is extremly hot. like our sun, hydrogen is being converted into helium, a process which gives off energy that heats the star
Explanation:
Two examples of how the biosphere supports life is by reducing the amount of harmful radiation to reach the surface of the earth. It also gives oxygen for animals to breathe
Answer:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells
