Unit 1 Muscles
True or False - slow twitch fiber is type 2
False
when you inhale, does your lung volume increases or decrease
increases
What do you call arteries, veins and capillaries?
Blood Vessels
The number of times the heart beat in a minute ,is called?
Heart Rate
how to calculate force?
mass x acceleration
What muscle type number are you likely to find in a sprinter's body
Type 2
what does your diaphragm do?
A muscle flattens to allow airflow into the lungs, or domes to push air out of the lungs.
What blood vessels are responsible for gas exchange within the lungs?
Capillaries
What type of respiration is this? Glucose -> Lactic acid + energy
aerobic
an object in motion stays in motion at the same speed and in the same direction
first law of motion
How many bones are in a human body
206
what is the equation for minute ventilation?
Tidal volume x Number of breaths =Minute ventilation
Where does the pulmonary artery send blood to?
The Lungs
What is EPOC short for?
Excess post-exercise oxygen consumption
the resistance of an object to any change in its state of motion
inertia
Where does a muscle joins a moving bone
insertion
Which part of the lungs is connected to the Alveoli?
Bronchiole
What are the 4 main components of blood?
Platelets, Plasma, White blood cells, Red blood cells
The process where by the muscle walls of the heart get thicker and stronger as a result of training
Hypertrophy
what class of lever do you use to do a bicep curl
3rd class lever
Where the muscles contract but stay the same length
isometric contraction
Why does air get into your lungs when you inhale? Name 2 things.
Lung volume increases when
1. ribs move up and out
2. Intercostal muscles contract
3. Diaphragm flattens
What would the cardiac output of someone with a heartrate of 70bpm be if the stroke volume is 75ml?
5.25litres
What changes in a short-term exercise in your body? (2 Answer)
Heart rate and Breathing rate
what forces apply to a rugby ball during a match when someones kicks it
gravity, muscular force, air resistance