Cervical - this usually pertains to the individual's neck or to the female's cervix.
Thoracic - The thoracic is located on an individual's chest area in which the ribs connects to in order to protect the human's organs.
Lumbar - The lumbar area is located in the lower area of an individual's back
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
Personality is the totality of thoughts, emotions, intentions, tendencies, and behaviors that a person exhibits consistently as he or she adapts to the environment.
Answer:
carpenter=architecture
animal trainer farm labor contractor geologist =agriculture quality assurance inspector sewing machine operator=manufacturing
wind turbine engineer electrician=energy
Explanation: