Where in the body are the lungs located?
top part of body -thorax
Name the sheet of muscle that lies underneath the lungs in the respiratory system
What structure makes up the lungs?
Name the organs that the air flows through in the respiratory system
mouth - wind pipe - bronchus - bronchioles - alveoli
The trachea branches into ...
The bronchus branch into
The bronchioles end in the ...
Another name for the windpipe is
Which structure inside the respiratory system carries out gas exchange?
The blood arriving at the alveoli contains a high concentration of which gas?
The blood arriving at the alveoli contains a low concentration of which gas?
Blood leaving the alveoli contains a high concentration of which gas?
Blood leaving the alveoli contains a low concentration of which gas?
Name the blood vessel that carries blood from the heart to the lungs
What type of blood is carried in the pulmonary artery?
Name the blood vessel that carries oxygenated blood from the lungs to the heart
How many chambers are there in the heart?
Name the top two chambers in the heart
atria (pl) atrium (singular)
Name the bottom two chambers of the heart
which side of the heart pumps to the body?
which side of the heart pumps blood to the lungs?
Which side of the heart has a thicker muscle?
The left side of the heart has a thicker muscular wall, why is this necessary?
pumps blood at greater distance (all over body) thicker muscles generates a stronger force of contraction
When gases are exchanged in the lungs how to the gases move (by what process?)
diffusion - from a high to a low concentration
What is meant by a double circulatory system?
2 circuits joined together - body and lungs
The main artery in the heart that carries blood away from the heart and to the body is called?
The main vein in the heart taking IN blood that has been around the body
The vena cava contains deoxygenated or oxygenated blood?
The heart is an o...
The walls of the heart are made mainly of