Cardiovascular System Flashcards
What is the function of a red blood cell
To carry oxygen to the working muscles by a protein called hemoglobin
What is plasma
Carries nutrients and waste products around the body
What are white blood cells
They fight and remove infection in the body
What are platlets
They prevent blood loss by cloying blood at the sight of the wound
What are the 5 functions of the cardio vascular system
Deliver oxygen and nutrients
Remove waste product
Thermoregulation
Fight infection
Clotting is the blood
What is the order of the electrical system
Sa node
Av node
Bundle of HIS
Purkinji fibres
What is the SA node
It sends impulses to the right atrium causeing it to contract
It is often called the hearts pacemaker
What is stroke volume
The amount of blood pumped out of the heart per beat
What is heart rate
How many times the heart beats per minute
What is cardiac output
Amount of blood pumped from the heart it one minute
What is the formula for cardiac output
Cardiac output=stroke volume*heart rate
What is vasoconstriction
They narrow the diameter of the blood vessels near the skin
It also reduces blood flow
What is vasodilation
It widens the the diameter of the blood vessel near the skin
It also increases blood flow
What is the vascular shunt
The process of increasing blood flow to the muscle during exercise
What are the 3 addition factors affecting the cardiovascular system
SADS
high and low blood pressure
Hyperthermia and hypothermia
What are the responses of the skeletal system to a single exercise session
Synovial fluid uptake
Uptake of minerals
Increased pliability of ligaments
Adaptions of the skeletal system to exercise
Increase bone density and streanth
Increased ligament streanth
Increase thickness of articulation cartilage
Functions of the skeletal system
Protection
Leverage
Attachment of skeletal muscles
What are the sections of the spine
Cervical
Thoracic
Lumbar
sacral
Coccygeal
What are the 2 mechanisms of breathing
Inspiration and expiration
What is tidal volume
It is the amount of air inspired or expired in a normal breath
What is vital capacity
It is the amount of air forced out after a maximum Inhail
