jejs

Masseter

Jaw/cheek muscle that helps with chewing

Trapezius

Upper back/shoulder muscle that moves and supports shoulders

Biceps femoris

Back/side of thigh muscle that moves the hind leg

Gastrocnemius

Calf muscle that extends the foot/ankle

External nares

Nose openings where air enters

Nasopharynx

Air passage behind the nasal cavity

Glottis

Opening to the airway leading to the trachea

Trachea

Ringed tube that carries air through neck/chest

Bronchi

Branches of the trachea that carry air into lungs

Lungs

Organs where gas exchange occurs

Diaphragm

Muscle that helps draw air into the chest cavity

Heart

Organ that pumps blood through the body

Atrium

Upper heart chamber that receives blood

Ventricle

Lower heart chamber that pumps blood out

Pulmonary artery

Carries blood from heart to lungs

Aortic arch

Large artery that distributes blood to the body

Liver

Produces bile detoxifies substances and stores glycogen

Gallbladder

Stores bile under the liver

Stomach

Curved sac that continues digestion

Pancreas

Produces digestive enzymes

Small intestine

Site of final digestion and nutrient absorption

Mesentery

Tissue that holds intestines together

Large intestine (colon)

Absorbs water and forms feces

Cecum

Pouch at the beginning of the large intestine

Spleen

Immune organ near stomach not part of digestion

Hard palate

Firm bony front roof of the mouth

Soft palate

Soft back portion of the roof of the mouth