one's heart; one's mind; one's intentions
courage; bravery; pluck; nerve; grit; guts
some nerve (as in 'you must have some nerve to ...')
bust (sculpture); half-length portrait
breastwork; parapet; fortress; parapet; chest wall
sternum; breastplate; plastron
putting one's courage to the test
to be frank; to speak one's mind; to open one's heart; to have a heart-to-heart talk (with someone)
the bottom of one's heart
full breasts; ample breasts; breast enlargement
one's heart; one's mind (feelings, bosom)
foolhardiness; daredevil courage
thoracic vertebra; thoracic vertebrae
to muster one's courage; to resolve oneself; to ready oneself for what is to come
one's heart of hearts; the depths of one's mind
badge (worn on the chest); medal; insignia
sternocleidomastoid muscle; sternomastoid
one's inmost thoughts (feelings)
breast augmentation; augmentation mammoplasty
thoracentesis; thoracocentesis; pleural tap
being bold; daring; plucky; having a lot of guts; being quite nerveless
manubrium of sternum; episternum
funnel chest; pectus excavatum
prothoracic gland hormone
men should be brave, women should be affable
thoracic outlet syndrome; TOS
suspicions of having had breast implants