Curry Chapter 5 Flashcards
Aorta
main artery leaving the heart to supply body structures with nutrient and oxygen rich blood they require
Appendicular skeleton
the ones of the skeleton that form the appendages; the framework for the arms and legs
Arterioles
tiny branches of arteries
arteries
thick-walled blood vessels that transport oxygenated blood away from the heart
atria
two upper chambers of the four-chamber heart
atroventricular node
transfers the electrical impulse emitted by the sinoatrial node down to the ventricles to initiate their contraction.
axial skeleton
the skull, spine, and ribs portion of the skeleton
capillaries
thinnest and most numerous of the blood vessels providing a connection between arterioles and venules.
central nervous system
consists of brain and spinal cord
corpus luteum
cystic glandular mass formed from an empty ovarian follicle following ovulation. releases the hormones estrogen and progesterone.
diaphragm
muscular partition separating the thoracic and abdominopelvic cavities
diastole
filling or relaxing phase of the heart
erythropoietin
hormone released by the kidneys notifying the bone marrow to increase production of red blood cells when inadequate oxygen levels are detected in the blood
gametes
sexual reproductive cells produced by the male and female gonads. male spermatozoa and female ova whose union is necessary to produce new life
gonads
the male testes and female ovaries. primary reproductive organs that produce reproductive cells (male spermatozoa, and female ova), which are the basis of producing new life.
homeostasis
the equilibrium of the body’s normal physiological condition
hormones
chemical “messengers” that transfer instructions from one set of cells to another. manufactured and secreted into the bloodstream by various endocrine glands throughout the body.