Double Circulatory System
Humans have a double circulatory system, meaning blood passes through the heart twice for every full circuit of the body.
What is the main advantage of a double circulation?
What is Double Circulatory System?
"A double circulatory system is one in which blood flows through the heart twice for each complete circuit of the body."
What is the main function of the heart?
A student thinks that stents are used to thin the blood. Why is this incorrect?
Which option correctly completes the statement? Lipases break down ____ into glycerol and fatty acids
Which answer best completes the statement? ____ tissue is made of hollow tubes that transport water
Two Circuits
Pulmonary circuit: Heart to lungs and back (low pressure).
Systemic circuit: Heart to body and back (high pressure).
Ensures faster delivery of oxygen to cells.
Because of the double circuit, oxygenated and deoxygenated blood never mix.
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