alarm clock
pineal
chemical reaction controller
thyroid
supervises substances entering and exiting the cell
cell membrane
a fatty substance in the blood
cholesterol
the substances your body needs in order to function properly
nutrients
controls all body systems
nervous system
the tiny air sacs in your lungs
alveoli
the term that describes the muscle's ability of the cardiovascular system to transport and process oxygen
muscle tone
reproducers
gonads
the tough, solid tissue that forms the joints
cartilage
groups of similar cells form
tissue
tiny organs that perform chemical reactions and functions in the cell
organelles
sugar supervisors
islets of Langerhans
a condition in which bones become brittle and break down
osteoporosis
a fatty deposit that restricts blood flow in an artery
plaque
master gland
pituitary
emergency energy boosters
adrenals
this, served as your kidneys, lungs, and intestines before you developed these organs
placenta