The most common site of back pain is the area. question 15 options: a. cervical b. lumbar c. thoracic d. coccyx save

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen