Answer:
direct observation
Explanation:
because if your constantly monitoring them you should see any abnormal signs
Oxygenated blood to the body
The diaphragm moves upward, making the chest cavity larger, and air flows in.
Your spinal cord is protected by the vertebral column (also known as the spinal column or backbone). The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
Answer:
The thymus lies in the chest behind the breastbone and above the heart. Relatively large in infancy, it increases in size until puberty and thereafter shrinks to only a few grams in old age.
Explanation:
