Oni Flashcards
Where does gaseous exchange take place?
In the lungs
What is residual volume?
The amount of air left in our lungs after we breathe out
What type of joint action is at the elbow?
Hinge
What happens to out tidal volume when we exercise?
It increases
What muscle fibres would a marathon runner need?
Slow twitch fibres
Name 2 muscles that make an antagonistic pair.
Bicep and triceps, hamstrings and quadriceps
Where are skeletal muscles located?
All over the body, attached to our bones
What do tendons connect?
Muscle to bone
How many bones are in our body?
206
What is kyphosis?
Excessive curvature at the thoracic spine
What are the three main types of joint?
fixed, slightly moveable, synovial
What does posture mean?
The sitting of the spine where it has 3 natural curvatures and it is healthy
What is a good ratio of type 1 muscle fibres and type 2 muscle fibres for a football player?
type 1 :40% type 2 :60%
What is an isometric contraction?
When a muscle contracts without moving
How thin are alveoli cells?
1 cell thick
What is diffusion?
The way in which a substance goes from an area of high to low concentration
Name the three types of blood vessels?
veins, arteries, capillaries
What are the 4 heart chambers?
left and right ventricle and atrium
What is aerobic respiration?
Respiration that requires oxygen
What is anaerobic respiration?
Respiration that does not require oxygen
Which type of respiration gives out water and carbon dioxide as bi products?
Aerobic
What bi product does anaerobic respiration create?
Lactic acid
What effects does lactic acid have on the muscles?
It fatigues them
What is ATP?
Adenosine tri-phosphate
How long does exercise have to last for it to be considered aerobic?
More than 1 minute
How long does exercise have to last for it to be considered anaerobic?
Less than 1 minute
What sporting example could aerobic respiration be used in?
Football, running, swimming
What sporting example could anaerobic respiration be used in?
Lifting weights, star jumps, gymnastics
What type of respiration would Usain bolt have to use?
Anaerobic respiration
What type of respiration would Mo Farah have to use?
Aerobic respiration
