MCQ
An acromian process is characteristically found in the
- APelvic girdle of mammals
- BSkull of frog
- ✓Pectoral girdle of mammals
- DSperm of mammals
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Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals.
$I$. It checks the mixing of oxygenated and deoxygenated blood in heart
$II$. It circulates only oxygenated blood through heart.
Choose the correct option accordingly