Which of the following is not a part of human digestive system?

(1) Alimentary canal

(2) All glands

(3) Compond stomach

(4) More than one option is correct

(1) Tooth is embedded in socket of jaw bones in humans .

(2) All mammals are diphyodont.

(3) All humans have four types of dentition.

(4) There will be 6 molars in an adult human in upper half of mouth.

(1) Enamel

(2) Teeth

(3) Only incisors

(4) Molars

(1) Short

(2) Headed by oral cavity

(3) Has three openings

(4) Epiglottis takes care of opening of oesophagus.

(1) Freely movable

(2) Muscular organ

(3) Frenulum is the mean for attachment to the palate of oral cavity

(4) Presence of papillae at upper surface.

(1) Present on all papillae

(2) They may be found on lower surface of tongue

(3) Location is pharynx

(4) Some projections of tongue has taste buds.

(1) Thin, long tube

(2) Extends posteriorly

(3) Passes through diaphragm

(4) opens into thorax

(1) Upper left portion of thoracic cavity is location

(2) Has only three major parts: Cardiac, fundic and pyloric

(3) The main central region is cardiac.

(4) Pyloric opens into first part of small intestine.

(1) Long

(2) Coiled

(3) Middle part

(4) C shaped

(1) C shaped- Duodenum

(2) J shaped- Jejunum

(3) Oesohagus- long tube

(4) Ileum- Highly Coiled