Topic 2 B Flashcards
How air gets in and out
Trachea
Bronchi
Bronchioles
Alveoli
How to calculate breathing rate
Breaths per minute
What happens in the first circuit in the heart
The right ventricle pumps deoxgenated blood to lungs to take ij oxygen then returns to heart
What happens in the second circuit system of the heart
Tye left ventrical pumps oxygenated blood to other organs in body. The
blood gives up its oxygen and the deoxgenated blood returns to heart
What do valve’s do
Make sure blood flows in the right direction
Arteries
Capillaries
Veins
Carry blood away
Involved in exchange in materials at tissues
Carry blood to heart
How can arteries carry blood at high pressure
Walls strong and elastic
Thick wall
Contain layers of muscle
How can substances diffuse in and out of capillaries quickly
One cell thick permeable wall
Which type of blood vessel have valves
Veins
what cell carry blood
Red blood cells
What do White blood cells do
Defend against infection
What is the liquid which carries everything in blood
Plasma
