Digestive System
What raw material is needed for your body to move, grow, and repair itself? (p.40)
nutrients
Your body uses carbohydrates to produce what? (p.40)
energy
What is the job of the excretory system? (p.52)
to remove waste from the body
What are the main organs of the respiratory system? (p. 54)
lungs
True or False: Fats do not supply energy to your body (p. 41)
False, fats do supply energy
True or False: Fats give your body energy (p.40)
True
If you eat too many carbohydrates, your body will store them as what? (p.41)
fat
Once food leaves the small intestine, most of its usable parts have been removed. What two things are left? (p. 52)
waste products and extra water
What is the job of the respiratory system? (p. 54)
To bring oxygen into your body
What mineral is needed for healthy red blood cells? (p. 42)
Iron
Name 3 body parts that need vitamin C to stay healthy (p. 42)
teeth, gums, and blood vessels
What are the 4 main organs of the digestive system? (p. 48)
mouth, stomach, small intestine, large intestine
In the large intestine, tiny organisms called _________ begin to feed on the waste (p.52)
bacteria
What leaves your body as you breathe out? (p. 56)
carbon dioxide
True or False: Eating foods from one food group will keep you healthy (p. 44)
False, eating from all food groups gives you a balanced diet
Name the 5 food groups (p.44)
bread, fruit, vegetable, meat, and dairy
Saliva contains a chemical that can change starch into what? (p.48)
sugar
What is the main organ of the excretory system? (p. 53)
kidneys
What would happen if your body did not get enough oxygen? (p. 56)
it's cells would soon die
Liquid waste is filtered through the ___________ (p. 53)
kidneys
What is digestion? (p.48)
Digestion is the breaking down of food into nutrients
Name 3 things vitamins and minerals can do (p.42)
1. They control the way your body uses carbohydrates for energy
2. They control how fast cells grow
3. They keep all systems working smoothly
As blood passes through the kidneys, the kidneys filter out water, salts, and harmful chemicals. The liquid that is produced is called ________ (p.53)
urine
What 2 things happen to air inside the nose? (p. 54)
1. Tiny hairs lean the air by catching dirt and other particles
2. air is warmed as it travels through the nose
What are the lungs made of? (p. 54)