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Rat Dissections . By : Kenzie. Systems. Rat Lungs. Rat Lungs. Male Reproductive System. Respiratory System: The System that allows you to Breathe. Reproductive System: The system that allows you To reproduce. Parts of the Respiratory System.

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Rat dissections

Rat Dissections

By : Kenzie


Rat Lungs

Rat Lungs

Male Reproductive System

Respiratory System: The

System that allows you to


Reproductive System:

The system that allows you

To reproduce.

Parts of the respiratory system
Parts of the Respiratory System

Mouth and Nose: Entrance contains mucus and nose hairs to catch bacteria.

Nasal Spectrum: Divides nasal cavities from left to right sides.

Pharynx: Throat, common passage way for air and food.

Epiglottis: The flap of skin that covers either the trachea or esophagus for protection.

Larynx: Voice box

Trachea: Wind pipe.

Bronchi: The lower end of the trachea that splits it between traveling right and left.

Bronchial tube: Cartilaginous Rings.

Bronchioles: Thinner walls with smooth muscle, a simple subdivision of the bronchi.

Alveoli: This is where the exchange of oxygen and carbon dioxide entering the capillaries.

Lungs: Where the oxygen enters.

Right lung: Larger and shorter.

Left lung: Smaller and has two lobes.

Diaphragm: Pushes the oxygen out of your lungs when it becomes useless as carbon dioxide.

Parts of the reproductive systems
Parts of the Reproductive Systems

  • Male:

    • Sperm: male reproductive cell

    • Testes: Creates testosterone and sperm

    • Semen: White milky liquid

    • Penis: The organ in which sperm and urine comes out.

    • Scrotum: Sac of skin that contains the testes.

    • Vas deferens: Tubes that allow sperm to travel out.

    • Urethra: Tube that carries urine.

    • Seminal vesicles: Secretes an alkaline fluid.

    • Prostate gland: A gland located in the neck of the urethra.

    • Epididymis: Carries sperm out.

    • Bladder: Holds urine

    • Ureter: Something that carries the urine from the kidney to the bladder.

    • Ejaculatory duct: Where the sperm ejaculates out of.

Parts of the reproductive system
Parts of the Reproductive System

  • Female:

    • Ovaries: Create the eggs.

    • Fallopian tubes: Carry the egg down into the uterus.

    • Uterus: holds the egg until it is fertilized, if not fertilized then it exits the woman, called her period. A fertilized egg has a specific term which is a zygote.

    • Cervix: Where acid is held, this is where many of the sperm get attacked.

    • Vaginal Canal: Where sexual intercourse takes place, here if the man ejaculates many of the sperm die instantly thanks to the vaginal acidity.


There are three trimesters within a woman's pregnancy.

Trimester one: Mitosis takes place. Formation of sack and the placenta take place. The cells formed are the Central Nervous System, the Digestive System, and the Integumentary System.

Trimester two: The babies tissues are created. The skeletal system begins to develop. As well as the possibility of hearing the heart beat.

Trimester three: This is where the organs become fully developed. This is their “preparation for the world” stages.