Obturator foramen is enclosed between

The appendicular skeleton includes all of the following $EXCEPT$:

Choose the correct option $:-$
$(a)$ The first seven pairs of ribs are called true ribs.
$(b)$ The sternum is a large triangular bone situated at the ventral part of the thorax.
$(c)$ The scapula has a slightly elevated ridge called the spine which projects as a flat, expanded process called the acromion.
$(d)$ Below the acromion is a depression called the glenoid cavity which articulates with the head of the humerus.

The clavicle articulates with ......... of the scapula.

$A$ greater trochanter is found in

The innominate or hip bone is formed by the fusion of how many bones?