Rating Newest Oldest. Best Answer: Sunny Hostin is a Practical Racist. It is politically incorrect within the black community to suggest that Trayvan Martin was responsible for his own death. He ran home to hide the blunts (and any marijuana) he got someone to buy for him at the 7-11.
The main storage site for calcium is the endoplasmic reticulum in muscle cells, specifically known as the sarcoplasmic reticulum. b. Describe the events that must occur in the muscle cell before calcium is released from this organelle.
Whereas your skeletal muscle contains only 1-2 percent mitochondria, your cardiac muscle may contain up to 35 percent. This large volume of mitochondria supplies a steady source of energy right to your heart, and explains why your heart rarely needs to rest like your skeletal muscles do.