Download The Cardiovascular System Entertainment Group Presents: The

The Cardiovascular System
Entertainment Group Presents:
The Heart: A
Love Story
Human A & P
J. Allen
Stats of the Heart
• Located in the __________ cavity
• Shaped like an upside down ______
• ________is the top portion, and
________is the bottom left tip
• Covered by the sac-like membrane
_____________
– Prevents overstretching, protects,
anchors heart
• Muscular portion is made up of
___________ muscle tissue, which is
involuntary, striated, and contains
______________ disks
• Myocardium contains many
____________, as the heart needs tons
of energy
base
apex
GROOVY
STRUCTURE
• 2 upper chambers
called ___________
• 2 lower chambers
called____________
• Divider between R
and L sides called
the ___________
– Interatrial and
Interventricular septa
Septum
ATRIA AND VENTRICLES
• RIGHT ATRIUM—
RECEIVES
______________
BLOOD FROM THE
BODY
• RIGHT
VENTRICLE—
PUMPS TO _______
(PULMONARY CIRC)
• LEFT ATRIUM—
RECEIVES
______________
BLOOD FROM
__________
• LEFT VENTRICLE—
PUMPS BLOOD TO
ENTIRE _______
(SYSTEMIC CIRC)
– THICKER
__________________
The Pumping Heart
• What does the blue represent?
• What does the red represent?
Heart Valves
• REVENT __________OF
BLOOD
• A/V—ATRIOVENTRICULAR
– TRICUSPID— 3 flaps-__________side
– BICUSPID (___________)—2
flaps– left side
• SEMILUNAR—between
ventricles and ___________
– PULMONARY—r. ventricle
to ____________ artery
– AORTIC– l. ventricle to the
______________
• CHORDAE TENDINAE
– “________________”
DIAGRAM
papillary muscle
chordae
tendinae
septum
ELECTRICAL CONDUCTION
1. ____ node (sinoatrial)
–
Sets the rhythm
–
Heart’s natural
_____________
2. ___ node
(atrioventricular)
3. AV Bundles
•
Along septum
4. ________Fibers
•
throughout heart
muscle
Q) What instrument is used
to stop the heart?
DEFIBRILLATOR
Q) Why stop the heart during
a heart attack?
TO ALLOW THE
PACEMAKER TO RESET
ELECTRICAL CONDUCTION
CHEMICAL REGULATORS OF
THE HEART:
1. Hormones (4 main)
• Increase:
– ______________
– ______________
– ______________
• Decrease:
– ______________
2. Ions
• Increase:
– ___________
• Decrease:
– ________&________
• The ________________ is the
cardiac and respiratory
center of the brain
• The nerve responsible for
conducting to the heart is
called the ________nerve.
(10th Cranial Nerve)
Lup dup lup dup lup dup lup
• Blood Pressure
– “LUP”
• When A/V valves close, and
ventricles contract, it is
termed _____________
– “DUP”
• WHEN A/V VALVES OPEN AND
VENTRICLES ARE RELAXED, IT
IS TERMED ______________
– Bp is measured as
____________
• Normal bp is __________
Read as:
_______________________
Measured by an instrument
called a
______________________
Lup dup lup dup lup dup lup
Q) WHAT DOES IT LOOK
LIKE?
http://www.getbodysmart.co
m/ap/circulatory/heart/cardi
accycle/cardiaccycle.html
ELECTROCARDIOGRAM
• EKG OR ECG
• Monitors heart
rhythm
• Detects presence
of a _______