Circulatory
This organ acts as a pump
Heart
The organ responsible for the intake of air and oxygen moving into the blood
Lungs
Red Blood cells carry __________.
Oxygen
The smallest blood vessel
Capillaries
Where does blood go first, the left or right ventricle?
Right Ventricle
When the ventricles contract, they increase the pressure of blood in ________.
Arteries
Another name for the windpipe
Trachea
White blood cells are part of the __________ system.
Immune
These blood vessels carry blood back to the heart
Veins
Flap that is also a part of your digestive system and covers the larynx
Epiglottis
Blood enters the heart in the _______ ________ first
Right Atrium
Another name for the voicebox
Larynx
Blood that is in veins lacks what?
Oxygen
Arteries move blood _________ _________ the heart and are ________ compared to veins
away from, thicker
Where does gas and nutrient exchange occur?
Capillaries
What is the function of valves in the heart
To prevent blood from flowing backwards
small sacs that are the location where oxygen and carbon dioxide are exchanged with the blood
Alveoli
Which blood vessels have higher pressure?
Arteries, Veins, or Capillaries?
Arteries
Which side of your heart does blood enter first
Right
This muscle is responsible for forcing air into the lungs
Diaphragm
Which is the correct direction of blood flow?
Right Atrium -> Right Ventricle -> Pulmonary Artery
Right Atrium -> Left Atrium -> Pulmonary Artery
Left Ventricle -> Pulmonary Artery -> Aorta
Left Ventricle -> Left Atrium -> Aorta
Right Atrium -> Right Ventricle -> Pulmonary Artery
What process is happening in the alveoli to get oxygen into the blood and carbon dioxide out
simple diffusion
When infection occurs what happens to white blood cells?
They increase in number
Where does blood enter before going to the pulmonary artery?
Right Ventricle
Blood enters the heart here
Vena Cava