King - Lab Exam 4

On a frog, what is the function of the nares?

Openings that allow air to enter and leave the nasal cavity

On a frog, what is the function of the nictitating membrane?

Transparent third eyelid that protects the eye and keeps it moist, especially underwater

On a frog, what is the function of the tympanum?

Thin membrane that detects sound vibrations; functions like an eardrum

On a frog, what is the function of the nostrils?

External opening used for breathing and smelling

On a frog, what is the function of the internal nares?

Openings inside the mouth that allow air to pass from the nasal cavity into the mouth

On a frog, what is the function of the eustachian tubes?

Equalize air pressure on both sides of the eardrum

On a frog, what is the function of the maxillary teeth?

Small teeth along the upper jaw that help hold prey

On a frog, what is the function of the vomerine teeth?

Teeth on the roof of the mouth that help grip and hold prey

On a frog, what is the function of the esophagus?

Tube that carries food from the mouth to the stomach

On a frog, what is the function of the trachea?

Air passage that carries air towards the lungs

On a frog, what is the function of the glottis?

Opening that allows air to pass from the mouth into the respiratory tract

On a frog, what is the function of the definitive tongue?

Sticky, muscular tongue used to catch prey; attached at the front of the mouth

On a frog, what is the function of the mouth?

Opening and cavity used to capture food and begin digestion; also helps with breathing

On a frog, what is the function of the stomach?

Stores food and begins chemical digestion using acid and enzymes

On a frog, what is the function of the small intestine?

Completes most digestion and absorbs nutrients

On a frog, what is the function of the large intestine?

Absorbs water and stores waste before elimination

On a frog, what is the function of the liver?

Produces bile, processes nutrients, and detoxifies the blood

On a frog, what is the function of the gallbladder?

Stores and concentrates bile produced by the liver

On a frog, what is the function of the spleen?

Filters blood and helps with immune defense

On a frog, what is the function of the pancreas?

Produces digestive enzymes and hormones, including insulin and glucagon

On a frog, what is the function of the kidneys?

Filter blood, remove wastes, and regulate water and salt balance

On a frog, what is the function of the bladder?

Stores urine before it is released

On a frog, what is the function of the cloaca?

Common chamber through which digestive waste, urine, and reproductive products exit the body

On a frog, what is the function of the testes?

Produce sperm and the hormone testosterone

On a frog, what is the function of the vas deferens?

Transports sperm from the testes toward the cloaca

On a frog, what is the function of the ovary?

Produces eggs

On a frog, what is the function of the oviducts?

Transport eggs toward the cloaca and secrete protective jelly around them

On a fetal pig, what is the function of the head?

Contains the brain and major sensory organs; takes in food and air

On a fetal pig, what is the function of the trunk?

Contains most of the internal organs

On a fetal pig, what is the function of the tail?

Helps with balance and communication in living pigs

On a fetal pig, what is the function of the pinnae?

External ears that collect sound waves

On a fetal pig, what is the function of the nose?

Used for smelling and breathing

On a fetal pig, what is the function of the tongue?

Moves food, helps with swallowing, and detects taste

On a fetal pig, what is the function of the mouth?

Takes in food and begins digestion

On a fetal pig, what is the function of the forelimbs?

Support the front of the body and assist with movement

On a fetal pig, what is the function of the hindlimbs?

Support the rear of the body and provide power for movement

On a fetal pig, what is the function of the nipples?

Openings of mammary glands that deliver milk to offspring after birth

On a fetal pig, what is the function of the umbilical cord?

Connects the fetus to the placenta for oxygen, nutrients, and waste exchange

On a fetal pig, what is the function of the anus?

Opening through which feces leave the body

On a fetal pig, what is the function of the scrotal sac (male)?

Holds and protects the testes and helps regulate their temperature

On a fetal pig, what is the function of the genital papilla?

External structures near the female reproductive opening that helps identify the female genital region

On a fetal pig, what is the function of the external naris?

External nostril that allows air to enter and leave the nasal cavity

On a fetal pig, what is the function of the secondary bony palate?

Separates the nasal cavity from the oral cavity, allowing breathing while food is in the mouth

On a fetal pig, what is the function of the pharynx?

Passageway for food and air

On a fetal pig, what is the function of the esophagus?

Carries food from the pharynx to the stomach

On a fetal pig, what is the function of the trachea?

Carries air toward and from the lungs

On a fetal pig, what is the function of the glottis?

Opening into the larynx through which air passes

On a fetal pig, what is the function of the epiglottis?

Helps cover the glottis during swallowing to keep food out of the airway

On a fetal pig, what is the function of the definitive tongue?

Moves food, helps with swallowing, and contains taste receptors

On a fetal pig, what is the function of the papillae?

Small projections on the tongue that help grip and move food; some contain taste buds

On a fetal pig, what is the function of the salivary glands?

Produce saliva to moisten food and begin carbohydrate digestion

On a fetal pig, what is the function of the masseter muscle?

Closes the jaw for chewing

On a fetal pig, what is the function of the cardiac sphincter?

Controls the passage of food into the stomach and helps prevent stomach contents from flowing backwards

On a fetal pig, what is the function of the stomach?

Stores food and begins protein digestion using acid and enzymes

On a fetal pig, what is the function of the pyloric sphincter?

Controls the release of stomach contents into the small intestine

On a fetal pig, what is the function of the small intestine?

Completes most digestion and absorbs nutrients

On a fetal pig, what is the function of the duodenum?

First section of the small intestine; receives bile and pancreatic enzymes for digestion

On a fetal pig, what is the function of the caecum?

Pouch at the junction of the small and large intestine that helps with bacterial fermentation

On a fetal pig, what is the function of the large intestine?

Absorbs water and electrolytes and compacts waste into feces

On a fetal pig, what is the function of the anus?

Releases feces from the body

On a fetal pig, what is the function of the liver?

Produces bile, processes nutrients, and detoxifies the blood

On a fetal pig, what is the function of the gallbladder?

Stores and concentrates bile

On a fetal pig, what is the function of the spleen?

Filters blood, recycles old red blood cells, and supports immune function

On a fetal pig, what is the function of the pancreas?

Produces digestive enzymes and hormones such as insulin and glucagon

On a fetal pig, what is the function of the larynx?

Houses the vocal cords and directs air into the trachea

On a fetal pig, what is the function of the trachea?

Conducts air between the larynx and the bronchi

On a fetal pig, what is the function of the lungs?

Exchange oxygen and carbon dioxide between the air and blood

On a fetal pig, what is the function of the diaphragm?

Main muscle of breathing; contracts to expand the chest cavity during inhalation

On a fetal pig, what is the function of the heart?

Pumps blood throughout the body

On a fetal pig, what is the function of the left atrium?

Receives oxygen-rich blood from the lungs

On a fetal pig, what is the function of the right atrium?

Receives oxygen-poor blood returning from the body

On a fetal pig, what is the function of the left ventricle?

Pumps oxygen-rich blood into the aorta and out to the body

On a fetal pig, what is the function of the right ventricle?

Pumps oxygen-poor blood toward the lungs

On a fetal pig, what is the function of the apex?

Pointed lower tip of the heart, formed mainly by the left ventricle

On a fetal pig, what is the function of the coronary artery?

Supplies oxygen-rich blood to the heart muscle itself

On a fetal pig, what is the function of the kidneys?

Filter blood, remove wastes, and regulate water and electrolyte balance

On a fetal pig, what is the function of the uterus?

Carry urine from the kidneys to the urinary bladder

On a fetal pig, what is the function of the urinary bladder?

Stores urine until urination

On a fetal pig, what is the function of the urethra?

Carries urine from the bladder to the bladder to the outside of the body; in males, it also carries semen

On a fetal pig, what is the function of the scrotal sac?

Holds the testes and helps regulate their temperature

On a fetal pig, what is the function of the testis?

Produces sperm and testosterone

On a fetal pig, what is the function of the epididymis?

Stores sperm and allows them to mature

On a fetal pig, what is the function of the vas deferens?

Transports sperm from the epididymis toward the urethra

On a fetal pig, what is the function of the penis?

Delivers semen during reproduction and allows urine to exit the body

On a fetal pig, what is the function of the ovaries?

Produce eggs and hormones such as estrogen and progesterone

On a fetal pig, what is the function of the oviduct?

Transports the egg from the ovary; fertilization typically occurs here

On a fetal pig, what is the function of the uterine horn?

Site where embryos implant and develop; the long horns accommodate multiple offspring

On a fetal pig, what is the function of the vagina?

Receives the penis during mating and serves as the birth canal

A -

B -

C -

A - Nares

B - Tympanum

C - Nictitating membrane

A -

B -

C -

D -

E -

F -

G -

H -

I -

A - Tympanic membrane

B - Nictitating membrane

C - Nostrils

D - Maxillary teeth

E - Vomarine teeth

F - Eustachian tube

G - Tongue

H - Esophagus

I - Glottis

A -

B -

C -

D -

E -

F -

G -

H -

I -

J -

K -

L -

M -

N -

A - Median lobe of liver

B - Right lobe of liver

C - Right lung

D - Fat bodies

E - Duodenum

F - Small intestine

G - Urinary bladder

H - Large intestine

I - Spleen

J - Pancreas

K - Stomach

L - Gallbladder

M - Left lung

N - Left lobe of liver

A -

B -

C -

D -

E -

A - Small intestine

B - Large intestine

C - Stomach

D - Liver

E - Heart

A -

B -

C -

D -

E -

F -

G -

H -

I -

J -

K -

L -

A - Bulbus arteriosus

B - Ventricle

C - Fat bodies

D - Pancreas

E - Small intestine

F - Urinary bladder

G - Ventral abdominal vein

H - Fat bodies

I - Lung

J - Atrium

K - Liver

L - Stomach

A -

B -

C -

D -

E -

F -

G -

A - Frog heart

B - Right atrium

C - Truncus arteriosus

D - Ventricle

E - Left lung

F - Left atrium

G - Aortic arches

A -

B -

C -

D -

E -

F -

G -

H -

I -

J -

K -

A - Fat

B - Teste

C - Kidney

D - Cloaca

E - Bladder

F - Bladder

G - Eggs

H - Fat

I - Kidneys

J - Oviduct

K - Cloaca

A -

B -

A - Kidney

B - Ureter (curly white tube)

A -

B -

C -

D -

E -

F -

G -

H -

I -

J -

A - Lung

B - Oviduct

C - Kidney

D - Cloaca

E - Urinary bladder

F - Large intestine

G - Small intestine

H - Ovary

I - Fat body

J - Heart

A -

A - Ovary filled with eggs

A -

A - Testes

A -

B -

C -

D -

E -

F -

G -

H -

I -

J -

K -

A - Superior vena cava (from body)

B - Right atrium

C - Right ventricle

D - Inferior vena cava (from body)

E - Left ventricle

F - Left atrium

G - Pulmonary vein (from lungs)

H - Pulmonary artery (to lungs)

I - Aorta (to body)

J - Blood high in oxygen

K - Blood low in oxygen