pltw bi - respiratory system of pig

larynx

voice box, containing vocal cords for sound production

bronchi

two branches of the trachea that direct air into the lungs

lungs

two spongy organs, located in the thoracic cavity enclosed by the diaphragm and rib cage, responsible for respiration

esophagus

a muscular tube that transports food from the mouth to the stomach

trachea

a cartilage-lined airway that carries air from the larynx to the lungs

lobes of the right lung

3 (superior, middle, inferior) separated by oblique and horizontal fissures

lobes of the left lung

2 (superior and inferior)

thymus

an endocrine gland that plays a role in the immune system, particularly in infancy

thyroid

an endocrine gland that produces hormones like thyroxine, which regulates metabolic rates

diaphragm

a muscle that separates the chest cavity from the abdominal cavity and is essential for breathing