Systemic Transport in Humans and Other Mammals

The human circulatory system is ___.

Indispensable

The human circulatory system enables…

Each of the body’s systems to operate

The human circulatory system integrates all ___ to form a…

systems; functional human organism

What are the three components of the circulatory system?

• Circulatory fluid (blood)

• Inter-connected network of tubes (blood vessels)

• One or more muscular pumps (heart)

Insufficient blood circulation is ___.

harmful

What does inadequate blood supply cause?

Infarction (tissue death)

What is the term for the sudden death of neurons due to insufficient O2?

Stroke

Amputation, heart attack, organ damage, and stroke are often caused by…

Infarction (tissue death) due to insufficient blood circulation (inadequate blood supply)

The disruption of efficient blood circulation is harmful. What is an aneurysm?

An aneurysm is an enlarged artery with a weak wall that can burst.

The disruption of efficient blood circulation is harmful. What is an embolism?

An embolus (clot) in a vessel that reduces flow

Abnormal blood clotting is harmful. Excessive bleeding is due to…and tissue infarction is due to…

Excessive bleeding is due to defective clotting and tissue infarction is due to excessive clotting.

Defective clotting causes…

Excessive bleeding

Excessive clotting causes…

Tissue infarction

What does angiogenesis?

Forms blood vessels

Abnormal blood vessel growth (angiogenesis) promote…

Cancer

What do angiogenesis inhibitor drugs do?

Reduce blood delivery to tumors to starve cancer cells

Blood is a complex ___ ___

Connective Tissue

What are the three main functions of blood?

• Defense

• Regulation

• Transportation

How does the blood promote defense?