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9th Science > Organ Systems In Animal > Flashcards

Organ Systems In Animal Flashcards

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Biology 101 flashcards
1
Q

Which seperate the wind pipe and food tube

A

Palate

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2
Q

In human two set of teeth

A

Diphyodont

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3
Q

First appearing set of 20 teeth called

A

Temporary or milk teeth

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4
Q

Each tooth has a root fitted in the gum

A

Theocodont

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5
Q

Permanent teeth are 4 type Heterodont

A

Incisors. 8. cutting and biting
Canine. 4 tearing and piercing
Premolars 8. crusing and grinding
Molars 12. crushing grinding
and mastications

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6
Q

Salivary glands

A

Parotid gland- largest salivary gland in front of ears
Sublingual gland - smallest gland lie beneath the tongue
Sub mandibular or sub maxillary gland - angle of lower jaws

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7
Q

Salivary gland secrete a viscos fluid called salivary approximately

A

1.5 litre

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8
Q

_______in saliva which convert starch (polysaccharides) into maltose (disaccharide)

A

Ptyalin

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9
Q

Saliva also contain an antibacterial enzyme called

A

Lyzosyme

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10
Q

_______ closes and prevent the food from entering into trachea (wind pipe)

A

Epiglottis

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11
Q

Oesophagus or the food pipe is a muscular membranous canal about ______ in length

A

22 cm

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12
Q

The gastric juice is colourless highly acidic containing muscas hydrochloric acid

A

Enzyme Rennin (in infants ) and pepsin

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13
Q

Pepsin

A

Protein

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14
Q

The chyme moves to the intestine slowly through the

A

Pylorus

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15
Q

Cause curdling of milk protein caesin and increase digestion of protein

A

Rennin

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16
Q

Convert angiotensinogen to angiotensin and regulate the absorption of water and na+ from glomerular filtrate

A

Renin in kidney

17
Q

Small intestine is the longest part of alimentary canal

A

5-7 m
Duodenum
Jejunum
Ileum

18
Q

Duodenum is C shaped and receives the

A

Bile duct(liver)
Pancreatic duct (pancreas)

19
Q

Shortest region of small intestine

A

Jejunum

20
Q

The secretion of the small intestine is intestinal juice which contain the enzyme like

A

Sucrose
Maltase
Lactase
Lipase

21
Q

The longest part of small intestine

A

Ileum

22
Q

Ileum contains minute finger like projection called

A

Villi
Approximately 4 million

23
Q

The father of gastric physiology

A

William Beaumont 1785-1853
He concluded that the stomach’s strong hydrochloric acid played a key role in digestion

9th Science (19 decks)

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