Lumbar region refers to the lower back or lower spine.
important muscles of the lumbar spines are:
1) multifidus - stabilizes and rotates the lumbar spine
2) longissimus
3) spinalis
lower back pain are caused by improper posture, compression fracture, muscle injuries, fractured vertebrae, spinal stenosis, osteoarthritis, herniated disc.
Explanation:
A.They filter waste and extra water from blood so they can create urine, which is removed from the body.
Answer:
Charles Darwin is best know for Natural selection
Transforms water, carbon dioxide, and minerals into oxygen and organic compounds.