Chapter 6 Flashcards
Cardio
Heart
Blood vessels
Arteries
Gains
Capillaries
Circulatory system
Hart and blood vessels
What is the function of circulatory system?
1.Delivers oxygen and nutrients needed for metabolism to the tissues
2. Carry waste products from cellar metabolism
3.
What are the 2 systems that make up the circulatory system?
- systematic
2. pulmonary
THe heart pumps blood in..
Blood vessels through which blood flows
Blood vessels?
Veins
Arteries
Capillaries
Arteries
Away from heart
Veins
Back to the heart
Capillaries
.
Myocardium
Cardiac muscle
Heart is..
A hallow muscular organ located in the center of the chest.
How many chambers are there?
4
R atrium
L atrium
R ventricle
L ventricle
Cystemic
Oxygenated
Pulmonary
Deoxygenated
Hart beats..?
60-100 beats per minute
Myo
Main muscle, middle layer
Endo
Inns layer ( lining if the heart)
Epi
Outer layer
Pericardium
Encloses the heart
Aorta
Largest artery
Valves
Help flow forward
What are the valves of the heart?
Tricuspid valve
Pulmonary valve
Bicuspid valve
Aortic valve
What does the circulatory system include?
Hart and blood vessels
Cardiac cycle
Takes 0.8 of a sec.
Contraction and relaxation of atria and ventricles.
Systolic
Top number
Diastole
Bottom number blood pressure
Normal pressure?
120/80
Hypertension
120/80 - 139/89