Respiratory System
Explain gas exchange
During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs!!
outer
protein, minerals, vitamins, carbs, fats/oils, water
the greek word atomos
every atom is the same
Explain diffusion
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration
where are the phallanges located?
fingers/toes
what are micronutrients?
nutrients that are needed in less quantity
what are the three subatomic particles?
nucleus, protons and electrons
what color are pure diamonds?
colorless/translucent
Diffrence between areobic and anerobic respiration
Aerobic respiration occurs with oxygen and releases more energy but more slowly. Anaerobic respiration occurs without oxygen and releases less energy but more quickly.
How do bones help your body? in what way?
Bones work with muscles and joints to hold our body together and support freedom of movement
what are 2 examples of minerals?
calcium and iron
who discovered the atom model "plum pudding"?
what are diamonds made of?
carbon
Parts of the respiratiry system
How does your skull help you?
It protects your brain from any damage
what nutrients provide energy?
carbs and fats/oils
when was the nucleus discovered?
1911 - rutherford
how many products does a simple reaction have?
one product
Diffrence between bronchus and bronchioles
Bronchi are the main airways which branches into the smaller airways, the bronchioles
what are the 4 main functions of the skeleton?
support, protection, movement and making blood cells
false
which atom model is closest to the one we use today?
james chadwick's
true/false: silver nitrate + sodium chloride will create one product
false