Download - Amphibians Review 1
Amphibians Review #1
Membrane that blinks to keep amphibian eyes moist on land and closes to cover the eye when swimming under water.
Nictitating membrane
Deoxygenated blood returning to the heart from the body enters the _________________ from the sinus venosus.
Right atrium
These are located in the frog’s skin and help to keep it moist
Mucous glands
The multi-purpose cavity that receives waste from the digestive system, urinary bladder, and sperm and eggs from the reproductive system before exiting the body.
cloaca
Frogs belong to the
Kingdom :
Phylum:
Sub Phylum:
Class:
Order:
Animalia
Amphibia
Anura
Chordata
Vertebrata
Cold blooded organisms with moist, thin skin, webbed feet, a 3-chambered heart, that undergo metamorphosis from a larval to adult stage are called ____________________Amphibians
Oxygenated blood returning to the heart from the lungs enters the _________________Left atrium
Respiratory organ found in the larval stage of amphibians
gills
Name the parts of the brain starting at the spinal cord and moving toward the nose.
Medulla oblongataCerebellumOptic lobes
CerebrumOlfactory lobes
Thin fan-like membrane that holds the digestive organs in place.
mesentery
The upper portion of the small intestine closest to the stomach is called the ___________________duodenum
Cutaneous respiration involves exchanging gases through the ______________skin
Blood vessels that carry blood away from the heart are called ____________________.arteries
Match the brain part to its function:Controls involuntary body organs
___________________Higher thinking & learning _______________
Processes info about vision & hearing _______________
balance & motor coordination ____________
Processes info about smell _______________
Medulla oblongata
cerebellum
cerebrum
Optic lobes (tectum)
Olfactory lobes
Pulmonary respiration uses this body organ.
lungs
The eardrum in a frog is called the __________________Tympanic membrane
Name the body system for each organ:
oviducts
kidneys
olfactory lobes
lungs
Skin
Reproductive
Nervous
Respiratory
Excretory
Integumentary/Respiratory
Number of chambers in an amphibian heart 3
Tail-less amphibians like frogs and toads belong to the order _______________ Anura
“An = without uro = tail”
Hormone made by the thyroid gland that controls metamorphosis
Thyroxin
Digestive organ that produces bile for the small intestine.
liver
The digestive organ where nutrients are absorbed from digested food.
Small intestine
Frogs use positive pressure breathing. They move air in and out by raising and lowering the _______________________Roof of their mouth
Area of the brain for higher thinking that is responsible for learning, memory, and reasoning cerebrum
Small bone that extends between the tympanic membrane and the inner ear
Columella
Match the part with its function:
Make bile __________________
store bile __________________
place where bile is used __________________
respiratory organ in tadpoles _______________
makes trypsin _________
liver
Small intestine (duodenum)
gills
Gall bladder
pancreas
A valve in the _________________ prevents mixing of the high oxygen and low oxygen carrying blood
Conus arteriosus
Blood leaving the heart travels through the pulmonary ______________ to the lungs.
arteries
Match the part with its function:
Processes nitrogen waste for the kidneys __________________
removes nitrogen waste from blood and makes urine __________________
removes worn out blood cells __________________
respiratory organs in adult frogs _______________
excretory organ in adult frogs _____________
liver
spleen
Skin & lungs
kidneys
kidneys
Type of circulatory system in a frog Closed Open
closed
Acids in the _______________ helps to break down food.
stomach
Match the part with its function:
Regulates ion/water concentrations in blood __________________
stores urine __________________
concentrates & collects digestive waste _____________
receives urine, feces, & sperm or eggs _____________
makes insulin and glucagon _________
kidneys
Large intestine
cloaca
urinary bladder
pancreas
Sinus venosus
RIGHTAtrium
Ventricle Conus arteriosus
Lungs
Bodyorgans
LEFTAtrium
Follow the path of blood in the frog circulatory system.
Name two respiratory organs in adult frogs
Lungs and skin
Fertilization in frogs is _______________
External internal
external
Tell where each mouth opening leads to:
Eustachian tubes
internal nares
glottis
gullet
ears
Respiratory (lungs)
Digestive (esophagus)
External nares
Food stored in the _______________ is used during hibernation and estivation.
fat bodies
The teeth located on the roof of the frog’s mouth between the internal nares are called__________________ teeth.vomerine
Small sac located on the under the right lobe of the liver that stores bile.
Gall bladder
TRUE or FALSEBlood traveling to the lungs in the pulmonary arteries is HIGH in oxygen.
FALSEIt’s going to the lungs to pick up oxygen.
Main excretory organ in an ADULT frog
Kidneys
Process by which frogs lie dormant through the winter.
hibernation
Match the part with its function:
Covers eye under water __________________
stores food for hibernation/estivation _______________Coiled portion of small intestine ________________
between duodenum and large intestine
Pumps blood _______________
eardrum _____________
Nictitating membrane
ileum
ventricle
Fat bodies
Tympanic membrane
Largest artery leaving the heart
Aorta
Tell one way frog circulation is different from a fish
Frogs: Fish:3 chamber heart 2 chamber heart2 loops 1 loop
Gradual change in form which occurs during the life of an amphibian
metamorphosis
This organ makes, stores, and processes red blood cells
spleen
Openings in the roof of the mouth that connect to the external nares (nostrils)
Internal nares
Ribbon-like structure located in the mesentery between the stomach and the upper intestine
pancreas
Name the 2 parts of the frog circulatory system that carry BOTH oxygenated and deoxygenated blood.
Ventricle and Conus Arteriosus
Process by which amphibians lie dormant through a hot, dry season.
estivation
Explain how AMPLEXUS helps reproduction in frogs.
With amplexus, sperm and eggs are released at same time and in the same place so it increases chance of fertilization
Frogs are _____________________ that deuterostomes protostomes
means their blastopore becomes their _____________mouth anus
deuterostomes
anus
Frogs are _________________.
vertebrates invertebrates
vertebrates
Thyroxin is made by the _________________.Thyroid gland
Excretory organs in a TADPOLE
Kidneys & gills
Tell one way adult frog circulation is like a fish
BOTH: Closed circulation have conus arteriosus & sinus venosus ventricle pumps blood have arteries, veins, & capillaries
SUBSTANCE MADE BY? FUNCTION?
BILE
TRYPSIN
GLUCAGON
INSULIN
THYROXIN
LIVER
PANCREAS
PANCREAS
PANCREAS
THYROIDGLAND
Breaks down FATS
Breaks down PROTEINS
Causes cells to release stored glucose
Causes cells to store glucose
Controls metamorphosis
The medulla oblongata controls
Higher thinking internal organs muscle coordination smell
Internal organs
The part of the systemic circulation in which blood circulates from the heart to the lungs and back to the heart is called _________________ circulation.PULMONARY
Region of the frog brain which receives info from the eyes is the _______________ lobe
Optic
Number of loops in the circulatory system ofamphibians
2 loops; one to lungs and backone to body systems and back
The blood vessel that carries blood from the heart to the lungs is the _______________
Hint: think about what circulation to the lungs is called and what blood vessels that leave the heart are called!
Pulmonary artery
Organ which produces eggs
Ovary
Opening to the digestive system in the back of the throat
Gullet
The circulatory system in which blood flows from the heart to the body systems and back to the heart is the ________________ circulation.Systemic
Teeth located along the upper jaw
Maxillary
Blood returns to the left atrium from the lungs in the _______________ __________.
Pulmonary veins
Match the function with the body part
Bone between eardrum and inner ear _____________________
Controls higher thinking, learning, reasoning, etc. ______________________
Vessels that carry blood away from heart ________________
nostrils _________________Teeth on roof of mouth _______________Receives blood returning to
heart from lungs ______________________
columella
cerebrum
arteriesExternal nares
vomerine
Left atrium
Organ that produces sperm
Testes
Tube that carries eggs from the ovary to the cloaca.
Oviduct
HEPATIC
RENAL
CORONARY
Carries blood from heart to lungs and back to heart
Carries blood to liver
Carries blood to kidneys
Carries blood to heart itself
Carries from heart to body organsand back to heart
LABEL THE PARTS OF THE CIRCULATORY SYSTEM
PULMONARY
SYSTEMIC
The portion of the brain closest to the spinal cord in a frog.
Medulla oblongata
Eardrum in a frog
Tympanic membrane
Structure where eggs are stored before being laid is the ______________
Uterus
Tube that carries eggs from the ovary to the cloaca.
Oviduct
These yellowish fingerlike structures store fat for hibernation and times with little food.
Fat bodies
This reproductive structure in females makes eggs
ovary
Match the function with the body part
Controls motor coordination & balance _____________________
Opening to lungs ______________________Controls body organs ________________Eardrum _________________Respiratory organ in tadpoles _______________Receives blood returning to
heart from body ______________________
cerebellumglottis
Medulla oblongataTympanic membrane
gills
Sinus venosus
The thyroid gland belongs to the __________________ system.
During periods of extreme cold amphibians undergo a dormant time called ________________.
endocrine
hibernation
These structures located near the kidneys make sperm
testes
Name the 3 body systems that share the cloaca exit cavity.
During hot, dry periods amphibianscan undergo a dormant time called_________________.
Digestive, excretory, reproductive
estivation
Match the function with the body part
Makes bile _____________________Stores bile ______________________Makes trypsin & other digestive enzymes ________________Protects the eye underwater ________________Respiratory organ in tadpoles _______________Receives sperm/eggs, urine, & digestive waste _________________
liverGall bladder
pancreasNictitating membrane
gills
cloaca
Match the function with the body part
Place where bile & trypsin are used _____________________
Upper part of small intestine ____________________
Coiled part of small intestine ________________Absorbs nutrients ________________Respiratory organ in adult frogs
_____________ & __________
Small intestine
duodenumileum
Small intestine
Lungs skin
________________ respiration involves breathing through skin.cutaneous
Adult amphibians release their nitrogen waste in the form of _______ which is diluted with water to make urine.
urea
Tell 2 things that have to change INSIDE a tadpole as it becomes an adult.
•Switch from breathing with gills to breathing with lungs & skin•switch from excreting ammonia to urea• add a chamber to heart•add a loop to circulatory system•Switch excreting nitrogen waste through gills & kidneys to just kidneys
THE END