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Organs
BIO 2215
Oklahoma City Community College
Dennis Anderson
Energy From Food
Fig. 32.1e
Mouth
Teeth: Tear and grind food.
Types
Incisors - chisel-shaped - cutting
Mouth
Teeth: Tear and grind food.
Types
Canines - “eye-teeth” - tearing
Mouth
Teeth: Tear and grind food.
Types
PremolarsMolars
- Broad crowns- grinding
Mouth
•Salivary Glands: Moisten food and contain enzymes for the breakdown of starchy foods.
PharynxCommon passageway for food and air.
Pharynx
Stomach
Storage of food and digestion of protein.
Stomach
Small IntestineMajority of digestion and absorption occurs here.
Large Intestine - Sections
1. Cecum
2. Ascending Colon
3. Transverse Colon
4. Descending Colon
5. Sigmoid Colon
6. Rectum7. Anus
Accessory Organs of Digestion
Liver: Produces bile to aidin the digestion of lipids.
Gall Bladder and Pancreas
Pancreas
DuodenumMain pancreatic duct
Common Bile Duct
Cystic Duct
Accessory Organs of Digestion
Gallbladder: Stores bile untilit is released into the smallintestine.
Accessory Organs of Digestion
Pancreas: Produces many typesof enzymes used in the small intestine to digest food.
Fig. 31.19
Fig. 31.21
Surface Anatomy - Anterior View
Receives blood returning from the body
Right Atrium
Returns blood to right atrium from upper parts of the body
Superior Vena Cava (Precava)
Receives blood from right atrium &
pumps it into the pulmonary artery.
Right Ventricle
Pumps blood to the lungs.
Pulmonary Artery
Receives blood from the lungs.
Left Atrium
Receives blood from the left atrium & pumps it into the aorta.
Left Ventricle
Pumps blood to the body.
Aorta
Supply oxygen, hormones & nutrients to
the tissues of the heart.
Coronary Arteries
Remove carbon dioxide and wastes
from the tissues of the heart.
Cardiac Veins
Apex
Heart - Posterior View
Returns blood from inferior parts of the body to the right