Functions
The heart delivers what
Oxygen/nutrients
On average, the heart is about the size of your brain
False, fist
The heart does what to blood?
Pump it
Hemoglobin
Protein that makes red blood cells red
The heart has to maintain what?
Blood pressure
The heart is commonly offset to the right
False, left
The heart has ? chambers
4
Vena Cava
Major vein that carries oxygen-poor blood to the heart
The heart delivers what to the lungs?
Oxygen-poor blood
The heart can pump at rates as low as 60 and be healthy
True
The heartbeat rate is regulated by
The brainstem / autonomic nervous system (both are right)
Aorta
The heart has what part in hormone release?
It delivers them by pumping the blood
The heart is not shaped like an emoji heart ❤
True
The heart pumps using
Electric charges & its muscles
Mitral Valve
One-way valve between the left atrium and left ventricle chambers of the heart
What does the left side of the heart do?
Pumps oxygen-rich blood to your body
The heart works with your ears to balance the pump rate
False, it doesn't
What four parts of blood does the heart pump?
White blood cells, Red blood cells, plasma, platelets
Tricuspid Valve
A valve between the right atrium and right ventricle that controls one-way flow of oxygen-poor blood to the lower chamber.