Organ System Notes

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this is my organ system notes.

organ

Performs a specific job for the body.

organ system

A group of organs working together to get a specific job done.

digestive

Your body's food processing system.

mouth

Vomerine teeth, maxillary teeth, tongue, eyeballs

esophagus

Food travels from the mouth down the _______ to the stomach.

stomach

Crushes and mixes food with digestive juices. Food is pushed into small intestine.

small intestine

Continues digestion and absorbs digested food nutrients into blood through villi. Most digestion occurs here.

villi

Finger-like projections.

large intestine

Absorbs water from undigested food.

cloaca

Stores waste.

cloacal opening

The common passageway out of the frog for waste, urine, eggs, and sperm.

liver

Produces bile to digest fats, removes toxins from the blood, and stores extra sugar.

gall bladder

Stores bile.

pancreas

Releases digestive juices (or enzymes) to the small intestine and produces insulin.

circulatory

Your body's transportation system.

oxygen, food

The circulatory system delivers _____ and _____ to the cells.

white blood cells, hormones

The circulatory system transports _______ and _______ (chemical messengers) around the body.

human

Has 4 chambers and a wall or septum to keep oxygenated and non-oxygenated blood seperated.

amphibian

Has 3 chambers which makes the blood mix.

arteries

Carry the blood away from the heart. Most ______ carry food and oxygen.

veins

Carry blood to the heart. Most ______ carry carbon dioxide and waste.

capillaries

Where food and oxygen are exchanged for waste and carbon dioxide.

spleen

Removes worn out red blood cells or "dead reds".

respiratory

Supplies the body with oxygen and removes the carbon dioxide from the body.

internal and external nares

Used for breathing outside of water. Close underwater.

glottis

Flap of skin preventing food and water from entering the trachea and lungs.

trachea

Commonly known as the windpipe, this is the breathing tube to the lungs. Funnels air into the lungs.

lungs

Filters in oxygen from the inhaled air, which diffuses into the blood. Filters out carbon dioxide from the blood to the exhaled air.

skin

Allows frog to breathe underwater. Removes oxygen from the water.

respiratory

Works with the circulatory system to get oxygen to the cells and carbon dioxide away from the cells.

excretory

Your body's waste system.

kidney

Removes nitrogen waste from the blood and mixes with water to make urine.

urinary bladder

Stores urine.

liver

Makes bile. Removes toxins and stores extra sugar.

lungs

Exchanges oxygen and carbon dioxide. Removes Co2.

skin

Carbon dioxide can leave blood through the skin while under water.

spleen

Removes worn out blood cells.

reproductive

Produces offspring (babies).

thumb pad

Male only. Used to grip female during process of external reproduction.

testes

Male only. Produces and stores sperm.

ovaries

Female only. Produces and stores eggs.

oviduct

Female only. Carries eggs from the ovary to the cloaca.

cloaca

Male and female. Common passageway out of the frog for wastes, eggs, and sperm.

muscular

Your body's movement system. (Bones and organs)

foreleg

Used for balance, support, and landing.

hind leg

Used for leaping and swimming.

webbed foot

Used to push water while swimming.

tongue

Used to catch prey by flipping out of the mouth.

skeletal

Voluntary: Moves body/bones.

smooth

Involuntary: Lines/Moves organs

cardiac

Involuntary: Only the heart

skeletal

Protects and supports the body. Bones and teeth of an organism.

maxillary teeth

Around the edge of the mouth. Used to grip and shred prey.

vomerine teeth

Two sharp teeth. Used to prevent prey from escaping and to crush prey.

nervous

Your body's communication network/senses system. Carries signals/messages around the body.

brain

Control center. Controls all body functions.

spinal cord

Carries messages between brain and spinal cord.

spinal nerves

Carry nerve signals from the spinal cord to parts of the body.

hearing

Tympanum

smell

Lining of nares

touch

skin

taste

tongue (very basic)

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