Calcium
Homeostasis
un
seel
.com · PTH · vitamin D · calcitonin · bone
blood Ca²⁺
9.5
mg/dL
state
normal
active hormone
—
step
—
blood calcium pool
PTH (parathyroids)
vitamin D (calcitriol)
calcitonin (opposes)
▶ Play
←
→
🔇 Unmute
Reset
Un
seel
.com · Calcium Homeostasis