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| Gland | Secretion | Effect on body |
| $A$ | Estrogen | Maintenance of secondary sexual characters |
| Alpha cells of Islets of Langerhans | $B$ | Raises blood sugar level |
| Anterior pituitary | $C$ | Over secretion leads to gigantism |
($i$) It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
($ii$) There are six ganglia lie in the thorax, and three in the abdomen.
($iii$) The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.
($iv$) Each eye consists of about $5000$ hexagonal ommatidia.
| Column $- I$ | Column $- II$ |
| $(a)$ Floating Ribs | $(i)$ Located between second and seventh ribs |
| $(b)$ Acromion | $(ii)$ Head of the Humerus |
| $(c)$ Scapula | $(iii)$ Clavicle |
| $(d)$ Glenold cavity | $(iv)$ Do not connect with the sternum |
$(a)\quad(b) \quad(c) \quad(d)$