Explain how a heart attack prevents someone from maintaining homeostasis.

What is the 77 element on the periodtic table

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?