MCQ
The single unit smooth muscles are
- ANeurogenic
- ✓Myogenic
- CCardiogenic
- DNone of these
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$II.$ $p CO _{2}$ is low and $p O _{2}$ is high in tissues
$III.$ $RBC$ contains a very high concentration of carbonic anhydrase
$IV.$ Every $100\; mL$ of deoxygenated blood delivers approximately $4\; mL$ of $CO _{2}$ to alveoli
Select the combination of right statements
$I$.Calcitonin regulates the metabolism of calcium. $II$. Oxytocin stimulates contraction of uterine muscles during birth. $III$. Grave's disease is caused by malfunctioning of adrenal gland. $IV$. $ADH$ stimulates absorption of water and increase the urine production.