lumbar vertebrae the five vertebrae between the thoracic vertebrae and the sacrum. vertebra magÂ´na the sacrum. odontoid vertebra the second cervical vertebra, or axis. vertebra plaÂ´na a condition of spondylitis in which the body of the vertebra is reduced to a sclerotic disk.
Generally, in the early stages of drowning, very little water enters the lungs: a small amount of water entering the trachea causes a muscular spasm that seals the airway and prevents the passage of both air and water until unconsciousness occurs.
How long does it take to drown. Health. how long before the body dies from drowning any one know this. ANSWER #1 of 6. Well you are considered dead if you are under for 10 minutes but usually people who are under water for 6 minutes only have extensive brain damage if they can be given mouth to mouth and live.