cells have many structures inside of them called organelles. these organelles are like the organs in a human and they help the cell stay alive. each organelle has it's own specific function to help the cell survive. the nucleus of a eukaryotic cell directs the cell's activities and stores DNA.
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Answer:
Three layers of tissue form the heart wall. The outer layer of the heart wall is the epicardium, the middle layer is the myocardium, and the inner layer is the endocardium.
Answer:
some stuff to consider when designing a cross training routine-
your goals
balancing your routine
inclusion of activities into routine
activities that can be used in daily routines
Explanation:
