Human
Organ
System
Prepared by:
Ricky Jay Aranas
Grade 5-Makakalikasan
Submitted to:
Mrs. Palma
Science Teacher
HUMAN RESPIRATORY SYSTEM
PARTS AND FUNCTIONS:
Nostrils
--- serves as entrances to your nasal cavities, space inside your nose; separated by a septum. It has cilia that filter the air and trap any microorganism and bacteria.
PHARYNX (throat)
--- connects nasal cavity and mouth cavity; passageway of air and food
LARYNX (Voice box)
--- contains vocal cords/elastic ligaments that vibrate to produce sound when you talk.
EPIGLOTTIS
--- a flap of tissue that closes over the entrance to the rest of the respiratory system when you swallow.
TRACHEA (WINDPIPE)
--- a straight tube that contains rings of cartilage that keep it open so that the air can freely pass through it.
BRONCHI /BRONCHIAL TUBE
--- tubes that connect trachea and the lungs.
LUNGS
--- main organs of the respiratory system; where exchange of gases takes place.
ALVEOLI
--- gateways for oxygen into the body; are air sacs which inflate during inhalation and deflate during exhalation.
HUMAN URINARY SYSTEM
FUNCTIONS:
To filter the blood that results from the formation of urine as body waste.
Maintain the right amount of water and chemicals in the body.
PARTS AND FUNCTIONS:
1. KIDNEYS major organ of the urinary system. It is about the size of a clenched fist. Reddish brown in color and bean-shape organ located just below the lowest ribs near the spine. It filters the waste from the blood as it passes through it.
Nephrons are the main structural and functional unit of the kidney. There are approximately one million nephrons in each kidney. The nephrons are located within the cortex and medulla of each kidney.
2. URETERS are tubes that carry the wastes filtered by the kidneys in the form of urine to the urinary bladder.
3. URINARY BLADDER serves as the temporary storage of urine. It is like a muscle pouch that expands...