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aaron science 3 body systems

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  • Where does digestion begin?
    When TEETH grind the food
  • After nutrients pass through the small intestine, where do they go?
    Into the BLOOD
  • What are two entry points for the respiratory system?
    The nostrils on the inside of the nose
  • What juice does the live secrete?
    BILE
  • What do bronchioles do?
    Carry air to the lungs
  • What does bile help digest?
    FATS
  • What do the nostrils do?
    They heat, moisten, and filter the air
  • What is the name of the two branches of the trachea?
    BRONCHI
  • What happens to the FAECAL BOLUS?
    It is expelled from the ANUS through DEFECATION (poop)
  • What is it called when food is changed into nutrients?
    Digestion
  • What happens to the rest of the food that the small intestine cannot absorb?
    It continues into the LARGE INTESTINE
  • What do gastric juices do?
    They break down food and mix with the bolus to form CHYME (a liquid)
  • Where does gas exchange occur?
    pulmonary ALVEOLI
  • What does the LARGE INTESTINE do?
    It absorbs water and minerals that pass into the blood
  • Oxygen passes into the blood. Carbon dioxide passes from the blood into the lungs is called...?
    Gas exchange
  • What two systems are involved in the excretion process?
    Respiratory System and Excretory System
  • What vibrates to make sound?
    VOCAL CORDS
  • What does the respiratory system expel expel in the excretion processes?
    It expels CARBON DIOXIDE
  • What is the process of moving nutrients and oxygen to the body's cells called?
    Circulation
  • These are two sspongy organs formed by ALVEOLI
    Lungs
  • Where does the bolus travel?
    Down the PHARYNX and OESOPHAGUS
  • The ___________ contains the VOCAL CORDS.
    LARYNX
  • Where is FOOD turned into NUTRIENTS?
    The small intestine
  • What is the process of air entering the lungs (inhalation) and exiting the lungs (exhalation)
    pulmonary ventilation
  • What other function does the circulatory system provide in addition to moving nutrients and oxygen?
    Collecting waste substances
  • What is the longest part of the digestive system?
    The SMALL INTESTINE
  • What does the pancreas do?
    It produces PANCREATIC JUICE that helps in the digestion of PROTEINS
  • Where does the oesophagus push the bolus?
    Into the STOMACH
  • What system gives cells the nutrients it needs?
    The digestive system
  • The ______________ carries air to the lungs (via bronchi)
    TRACHEA / WINDPIPE
  • What happens after the teeth grind food?
    The mouth secretes SALIVA to break down food
  • The ________ connects the larynx, the oesophagus, and the trachea?
    the PHARYNX
  • What is the process of cleaning the blood by filtering the waste substances?
    Excretion
  • What forms the FAECAL BOLUS?
    The undigested substances
  • What muscle contracts and relaxes to let us breathe?
    diaphragm
  • What does the stomach produce?
    GASTRIC JUICES
  • What happens when cells get oxygen from the air to obtain energy and release carbon dioxide from the body as waste?
    Respiration
  • Where does the chyme go?
    Into the SMALL INTESTINE
  • What does the EXCRETORY SYSTEM expel in the excretion processes?
    Waste (transported by the blood)
  • Where does gas exchange occur?
    pulmonary ALVEOLI
  • THe bronchi divide into smaller tubes called BRONCHIOLES
  • What happens after saliva breaks down food?
    The TONGUE mixes food and saliva into a BOLUS
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