What is the sarcoplasmic reticulum? how does it aid in the stimulation of muscle contraction?

It bathes the sarcomere in calcium.

Activated when muscle cells are stimulated.

It stores large amounts of calcium.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

the supermassive black hole is in the middle of the galaxy.