Bio 22 Lab - Post Lab 3 II
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Transcript of Bio 22 Lab - Post Lab 3 II
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KIMBERLY S. BELTRAN
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Holds prey
Breathing
Tube leading to stomach;Bolus passes
Equalize pressurein inner ear
Tube leadingto the lungs
Aids in grabbing prey
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Digestion
Secretes pancreatic juice,
insulin & glucagon
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Makes bile(aid indigestion)
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hepatic artery bring nutritional blood to the liver Oxygen and nutrients to the liver
portal vein bring functional blood to the liver blood coming from the digestive tract, which the
hepatocytes function to detoxify.
bile ducts bile flow is opposite blood flow
bile (product of the hepatocytes) emulsify fat in the digestive system
coalesce to form hepatic duct
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1 SuperiorVena cava
1 InferiorVena cava
2 rightatrium
3 rightventricle
4 pulmonaryartery
5 pulmonary veins
4 pulmonaryartery lungs
4
LUNGS(w/ O2)
6 left atrium
7 left ventricle
8 aorta
9 BODY
2a Tricuspid valve
7a aortic
valve
6a mitral valve3a semilunar/pulmonary valve
5 pulmonary veins
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Heart pumps blood to the different parts of the body
Valves prevent backflow of blood
Spiral valve (frog) prevents mixing of oxygenated anddeoxygenated blood
ARTERY carry oxygenated blood AWAY from the heart; heart to tissues of the body
EXCEPT pulmonary artery carries deoxygenated blood to lungs (foroxygenation & removal of excess CO2)
VEIN carry deoxygenated blood TOWARDS the heart;
All veins carry deoxygenated bloodEXCEPT pulmonary vein
carries oxygenated blood from the lungs tothe heart
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The left ventricle is thicker and more muscular
than the right ventricle because it pumps bloodat a higher pressure.
The left ventricle pumps blood to the entire
body whereas the right ventricle pumps all ofits blood directly to the lungs.
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Vasa vasorum(blood vessels)
Nervi vasorum
In comparison with vein, arteries are
thicker more elastic smaller lumen located deeper in the body same thickness of intima thicker media thinner adventitiaFxn: carry blood away from the heart
In comparison with artery, VEINS are
thinner less elastic larger lumen located superficially same thickness of intima thinner media thicker adventitia fxn: carry blood toward the heart
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1. Tunica intima (innermost)
a.k.a. endothelium (simple squamous epithelium)
only 1 layer2. Tunica media (middle)
Consists of smooth muscle cells
3. Tunica adventitia (outermost)
Consists of connective tissues
Nerve bundles (nervi vasorum) and vessels of thevessels (vasa vasorum) can be located
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Basic structural and functional unit of the kidney Regulate water & soluble substances by filtering
the blood
PARTS
A. renal corpuscle Glomerulus (simple cuboidal epithelium)
Bowmans capsule (simple squamous epithelium)
B. renal tubules Proximal convoluted tubule Loop of Henle
Distal convoluted tubule
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Bowmans capsule
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Glomerulus Bowmans capsule
Proximal convoluted tubule
Loop of Henle
Distal convoluted tubule
Collecting duct
Ureter
Urinary Bladder Urethra
process of excretion of urine; urination MICTURITION
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Sperm formation
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spermatozoa
Primary spermatocyte
Secondary
spermatocyte
Seminiferoustubules
Interstitial cells/Leydig cells
- Secrete testosterone
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1 Seminiferous tubules
1 Efferent duct
2 Epididymis3 Ductus deferens
Ejaculatory duct
4 Prostrate urethra
5 Penile urethra
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Ovary egg cell formation
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Eggs travel throughthese ducts
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Oogenesis
Formation and maturation of oocytes fromundifferentiated cells in the ovary
Vitelline membrane
Immediate covering of an oocyte
Made up by follicle cells and oocytes Secreted by follicle cells
Function: protects the oocyte
Follicle cells
Nourish the eggs
Secrete estrogen
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FROG STOMACH
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FROG INTESTINE
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