Cardiovascular System & Diseases

Question 1

What is the cardiovascular system?

Answer 1

An organ system that distributes blood to all parts of the body

Question 2

What is the major function of the cardiovascular system?

Answer 2

transportation, using blood as the transport vehicle, ultimately transports blood too

Question 3

What does the cardiovascular system do?

Answer 3

• carries oxygen, nutrients, cell wastes, hormones and other substances vital for body homeostasis to and from cells
• pressure allows the force to move blood around the body

Question 4

What is the pericardium?

Answer 4

the heart enclosed by the double-walled sac

Question 5

What is the fibrous pericardium?

Answer 5

the superficial loosely fitted part of the heart; protects and anchors the heart

Question 6

What are the 2 systems that act to regulate heart activity?

Answer 6

Autonomic nervous sytem
Intrinsic conduction system

Question 7

What is the autonomic nervous system?

Answer 7

(Brakes and accelerator)
it acts to decrease or increase heart rate

Question 8

What is intrinsic conduction system?

Answer 8

also nodal system,
it’s composed of specialized tissue that’s a cross between muscle nad nervous tissue,
causes heart muscle depolarization from the atria to the ventricles