heart
how big is the heart
the size of an adult fist
what do white blood cells do
fight infections
how much blood is in your body
5 liters,10 pints or 1.3 gallons
why is octopus blood blue
it has lots of copper
what happens in heart attacks
the blood flow to the heart is blocked
how long can a human heart live
80 years
what are the three main parts of the circulatory system
heart,blood and blood vessels
what is the size of a blood cell
6-8 micrometers
how many hearts does a octopus have
three
what are two signs of heart disease
chest pain and and fatigue
how many chambers are in a heart
four
where do veins send blood
to the heart
how many gallons of blood does a heart pump a day
2,000 gallons
what animal has the fastest heartbeat
the Etruscan shrew
name the electrical heart disorder
brugada syndrome
how many times does the heart beat every day
100,000
how many circulatory systems do humans have
two
how long would blood vessels stretch
60,000 miles
how big is a blue whale heart
the size of a small car
name three causes of heart disease
high blood pressure,smoking and diabetes
how much does the heart weigh
7-15 pounds
what are the names of the human circulatory systems
pulmonary and systemic systems
what color is non-oxygenated blood
dark red
what animals need no circulatory system
the sea sponge
what is the name of the most common type of heart disease
coronary artery disease or cad