<span>C. Several billion,,,,,,,,,,,,,,,,,,,,,</span>
The type of muscle that is responsible for maintain posture is VOLUNTARY. The correct option is B. Skeletal muscles are the ones who control posture and movement and they are voluntary in nature, that is, they are under the conscious control of man. The muscles that are responsible for maintain posture are: spinal, pelvic and abdominal muscles, hip muscles, lower leg muscles and shoulder and neck muscles.
Individual, population, community, biome, ecosystem
Answer: I believe the answer is C. Contractions are informal
Explanation:
