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