Explanation

(a)(i) Specimen M; Reproductive system of a hen or female bird. Oviduct of a hen.

(ii) Draw and label specimen M;

(b) Role of each part in the organ for carrying out its function:

• Funnel/infundibulum - Receives ova and site for fertilization of ova.
• Magnum - Albumin or egg white on yolk chalaza produced.
• Isthmus - Secretes materials for shell membranes, determines shape of egg.
• Uterus - Water and minerals are added to albumin, secretes calcium carbonate for egg shell.
• Vagina - Site for deposition of sperm - passage for egg.
• Cloaca - Complete egg passes from uterus to cloaca where it is expelled.

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