Frog dissection

Amphibian eggs

do not have shells and can dry out in a dry enviroment

Respiratory system

Adult- breathe through mouth lungs,skin

Lungs

bring oxygen into the frog’s body

Esophagus

passageway for food-mouth to stomach

Pyloric Sphincter

valve separates the esophagus from stomach

Stomach

holding area for food and digestion

pancreas

products digestive system

Liver

helps detoxify blood and produces bile

Gallbladder

stores bile

small intestine

absorbs important nutrients from food

Large intestines

where unusual food is stored

cloaca

solid waste, urine, eggs/sperm leave the body

heart

pumps blood to all parts of the frogs body

spleen

filters and stores blood

kidney

filters blood and produces urine

ureters

tubes carry liquid waste from kidneys-bladder

urinary bladder

stores urine-deadline

mesentery

thin covering holds frog’s organs in place

fat bodies

stores fat as energy source to keep frogs alive during hibernation

testes (male)

produce and store sperm

ovaries (female)

produce and store eggs

oviducts (female)

where eggs travel from the ovaries to the cloaca