Fill in the blanks in the following sentences by selecting an appropriate word from those given in the parenthesis after each sentence:

i) The skeleton of the head is known as ___________ (vertebral column, pelvic girdle, skull).

ii) Cranium encloses and protects the ___________ (eye, heart,  brain).

iii) The brain within the cranium is in contact with the spinal cord through an aperture found at the hind end of the cranium ____________ (fenestra ovalis, foramen magnum, external nares).

iv) The vertebra with concavity infront and convexity behind is called ____________ type (amphicoelous, procoelous, opisthocoelous).

v) The bone humerus of the upper arm articulates with the pectoral girdle ___________ at cavity (glenoid, acetabulum, zygapophysis).

vi) Radio-ulna, a composite bone is found in ___________ (rabbit, bat, frog).

i) The skeleton of the head is known as skull.

ii) Cranium encloses and protects the __________ _________ _________ __________ _______ _____ __________ _______ _________ _____ _______.
_________ __________ ________ _______ ________ _________ ________.
__________ ______ _____ ____ __________ ________ _________ ____ __________.
_______ ________ ____ _______ ____ ________ ____ _________ ____ __________.
_____ _____ _________ ____ ___.
_________ _______ _________ ____ ____ ______ ___ ____ ______ _______ ___.
_______ _______ ______ __________ _________ __________ ______.
____ ____ ___ _______ ______.
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