Cardiovascular Flashcards
1) What are parts of the cardiovascular system?
Heart
Blood
Blood vessels
what are the functions of the cardiovascular system?
-Blood
-Carries food, oxygen and other substances to
the cells throughout the body so they can live and function
-helps with injuries and healing
-Blood vessels regulate body temperature
-produces and carries cells that defend body from disease- causing organisms ( remember lymphatic system )
what are the heart 4 chambers ?
-Right atrium
-left atrium
-Right ventricle
-left ventricle
what does atria ( Atrium ) do ?
Atrium receive blood
-Right atrium : receive blood from body tissues
left Atrium : receive blood from lungs
what does ventricle do?
ventricles pimp blood out of the heart
- Right ventricle: pumps blood to the lungs
- Left ventricle: pumps blood to the rest of the body
What is valves ??
Located between atria and ventricles - allows blood to flow in one direction
What is heart rate ?
- The rate at which the heart beats
- Heart beat is initiated by the heart’s electrical system
Find our pulses
Check cardio vascular system page 9/19
PP
Answer:
- Temporal on the side of the temple
- Carotid in the neck
- radial at the wrist
- brachial at the elbow
- pedal in the foot
- posterior tibial at the ankle
- femoral at the groin
What does blood pressure do ??
Measures how much forces is applied to the blood against the artery’s walls
SYSTOLIC ( SBP ) : when the ventricles are contract
DIASTOLIC : ( DBP ) : when the ventricles are relaxed
Consist of blood cells and plazma:
What is red blood ??
It’s erythrocytes
Hemoglobin: picks up the oxygen and releases it
When blood is ( bright red ) : hemoglobin is filled with oxygen
When blood is ( bluish red ) : hemoglobin has released oxygen to tissues
What is White blood ?
Is called leukocytes
It protect the body from infection
Platelets
Necessary from blood clotting
Blood vessels :
What is Arteries ???
Carry blood away from the heart
Branch into arterioles —-> capillaries
Blood vessels :
What is Veins ??
Veins return blood to the heart
Empty dark bluish red from the body into the right atrium
What do we observe?
Skin temperature
Skin Color
Pulse
Blood pressure
Oxygen saturation
Blood vessels:
What re in blood vessels??
Arteries
Arterial
Aorta
Veins
Role of Arteries ??
Keeps blood away from the heart
Def of arterial ?
Blood is rich in oxygen
What is Aorta ?
It is the largest artery, brunches are smaller arteries that carries blood to all parts of the body.
What is Aorta ?
It is the largest artery, brunches are smaller arteries that carries blood to all parts of the body.
What are the smaller brunches of arteries called ??
They re called capillaries
Role of veins ?
Return blood back to the heart
What re the smaller brunches of veins called?
Venules
What re 2 main veins?
Inferior vena cava —— carries blood from trunk to legs
Superiors vena cava —— carries blood from the head to arms
Venous blood is dark red —- little O2 and lost of CO2
