BIO 254 DIGESTIVE SYSTEM 131 REAL EXAM ACCURATE
QUESTIONS WITH 100% RATED CORRECT ANSWERS EXPERT
VERIFIED GET IT A+ 2025 LATEST UPDATED
layers of alimentary canal wall - (Correct Answer)-mucosa
-submucosa
- muscularis
-serosa
mucosa layer of alimentary canal - (Correct Answer)Deepest layer
-folded to increase surface area
-absorbs dietary nutrients
心的坚强决定了我们的命运。当
-secretes mucous/enzymes
我们面对挫折时，是一颗不屈的
-made of simple epithelium
心让我们勇敢前行
Submucosa layer of alimentary canal - (Correct Answer)-contains larger vessels
-nourishes cells
-transports absorbed food molecules
-made of connective tissue
Muscularis layer of alimentary canal - (Correct Answer)Circular layer-around muscle
Longitudal layer-shorten/contract tube
-made of muscle tissue
-moves tubes/ food materials
serosa layer of alimentary canal - (Correct Answer)Outer most layer(provides protection)
-serosa fluid eliminates friction
,-Visceral peritoneum of organs within abdominal cavity
alimentary canal - (Correct Answer)Food passage way
-mouth
-Pharynx
-esophagus
-stomach
-small intestine
-large intestine
-anal canal
Mechanical digestion - (Correct Answer)Physical breakdown of large pieces of food into smaller
pieces 心的坚强决定了我们的命运。当
ex; teeth chewing food 我们面对挫折时，是一颗不屈的
-does not change chemical composition
心让我们勇敢前行
chemical digestion - (Correct Answer)Enzymes break down food into smaller molecules
ex; saliva breaks down food surface area for better digestion
Mastification - (Correct Answer)chewing
-mechanical digestion
small intestine - (Correct Answer)absorbs nutrients
movement of alimentary canal - (Correct Answer)Mixing- Muscles contract rhythmically
- does not move material in one direction
-segmentation in small intestine/churning in stomach
, Propelling- moves material in one direction
-peristalsis
submucosal plexus - (Correct Answer)controls secretions
Myenteric plexus - (Correct Answer)controls gastrointestinal motility
Parasympathetic impulse - (Correct Answer)increase activities of digestive system (secretion and
motility)
Sympathetic impulse - (Correct Answer)inhibit digestive actions (secretion and motility)
enteroendocrine cells - (Correct Answer)Found in stomach and small intestine
心的坚强决定了我们的命运。当
- secrete hormones to regulate GI 我们面对挫折时，是一颗不屈的
organs and processes
心让我们勇敢前行
Cheeks - (Correct Answer)form the lateral walls
-contain facial muscles for expression and chewing
-Have an inner lining of stratified epithelium
Lips - (Correct Answer)Highly mobile
-sensory receptors judge temp and texture of food
-boundary between skin and mucous membrane
Tongue - (Correct Answer)thick, muscular organ that occupies the floor of the mouth and nearly
fills the oral cavity when the mouth is closed
lingual frenulum of tongue - (Correct Answer)holds tongue to floor of mouth
QUESTIONS WITH 100% RATED CORRECT ANSWERS EXPERT
VERIFIED GET IT A+ 2025 LATEST UPDATED
layers of alimentary canal wall - (Correct Answer)-mucosa
-submucosa
- muscularis
-serosa
mucosa layer of alimentary canal - (Correct Answer)Deepest layer
-folded to increase surface area
-absorbs dietary nutrients
心的坚强决定了我们的命运。当
-secretes mucous/enzymes
我们面对挫折时，是一颗不屈的
-made of simple epithelium
心让我们勇敢前行
Submucosa layer of alimentary canal - (Correct Answer)-contains larger vessels
-nourishes cells
-transports absorbed food molecules
-made of connective tissue
Muscularis layer of alimentary canal - (Correct Answer)Circular layer-around muscle
Longitudal layer-shorten/contract tube
-made of muscle tissue
-moves tubes/ food materials
serosa layer of alimentary canal - (Correct Answer)Outer most layer(provides protection)
-serosa fluid eliminates friction
,-Visceral peritoneum of organs within abdominal cavity
alimentary canal - (Correct Answer)Food passage way
-mouth
-Pharynx
-esophagus
-stomach
-small intestine
-large intestine
-anal canal
Mechanical digestion - (Correct Answer)Physical breakdown of large pieces of food into smaller
pieces 心的坚强决定了我们的命运。当
ex; teeth chewing food 我们面对挫折时，是一颗不屈的
-does not change chemical composition
心让我们勇敢前行
chemical digestion - (Correct Answer)Enzymes break down food into smaller molecules
ex; saliva breaks down food surface area for better digestion
Mastification - (Correct Answer)chewing
-mechanical digestion
small intestine - (Correct Answer)absorbs nutrients
movement of alimentary canal - (Correct Answer)Mixing- Muscles contract rhythmically
- does not move material in one direction
-segmentation in small intestine/churning in stomach
, Propelling- moves material in one direction
-peristalsis
submucosal plexus - (Correct Answer)controls secretions
Myenteric plexus - (Correct Answer)controls gastrointestinal motility
Parasympathetic impulse - (Correct Answer)increase activities of digestive system (secretion and
motility)
Sympathetic impulse - (Correct Answer)inhibit digestive actions (secretion and motility)
enteroendocrine cells - (Correct Answer)Found in stomach and small intestine
心的坚强决定了我们的命运。当
- secrete hormones to regulate GI 我们面对挫折时，是一颗不屈的
organs and processes
心让我们勇敢前行
Cheeks - (Correct Answer)form the lateral walls
-contain facial muscles for expression and chewing
-Have an inner lining of stratified epithelium
Lips - (Correct Answer)Highly mobile
-sensory receptors judge temp and texture of food
-boundary between skin and mucous membrane
Tongue - (Correct Answer)thick, muscular organ that occupies the floor of the mouth and nearly
fills the oral cavity when the mouth is closed
lingual frenulum of tongue - (Correct Answer)holds tongue to floor of mouth
