Circulatory🩸🫀✨💉Blood Vessels And Heart Flashcards
Arteries carry ________ blood. _______ artery is an exception.
Oxygenated
Pulmonary
Arteries carry O2 rich blood from
Heart to other organs
How do thick elastic walls help. Can we see arteries?
Sustains pressure with which heart pumps blud.
No they are deep seated
Capillaries are thic or thin?
Extremely thinnnn
Capillaries responsible for absorbing
O2, digested soluble food, waste products.
Dissolved substances pass into body cells thru
Thin walls of capillaries.
How does the CO2 formed in the body cells enter into the blood
Thin walls of capillaries.
How can u roughly describe the size of the heart? How much does it weigh?
Size of fist
250-350 grams
Where is the heart located?🫀
Centre of chest cavity tilted slightly to the left.
Which skeletal part protects the heart?🧁🫀
Rib cage🦴
How many times approximately does the heart beat per min? The heart is made of special muscles called?
60-80 times
Cardiac muscles
Name 4 chambers of the heart that are separated by muscular wall _______
Upper two- right, left atria, auricle
Lower two- left, right ventricle
Septum
Heart is enclosed by _________ sac called ___________
Double-walled
Pericardium
Atria singular:?
Atrium
Left auricle connected to left ventricle, right auricle connected to right ventricle through SMALL OPENINGS called
Valves - they are cup-shaped
What do valves in the heart do
Allow flow of blood in one direction only
The human heart is made of how many pumps.
2
Such that each pump has an auricle and a ventricle
Why do ventricles have thicker muscular walls?
They have to pump blood with greater pressure than the auricles.
Pump to all organs🧠🫁🫀🦴
Right side of the heart contains____________ blood. Which is recieved from…
Deoxygenated
Parts of body
O2 rich blood is recieved by ____________ from__________.
Left side of heart
Lungs
Pulmonary artery and P vein connect the heart to…
🫁 lungs 🫁
When heart relaxes __________ receives deoxygenated blood from all parts of body thru veins.
Right auricle
The pulmonary artery connects to _________ part of the heart.
Right ventricle
__________ receives O2 rich blood from lungs thru pulmonary vein.
Left auricle
Blood from auricle moves to ventricle thru
Valves
Once ventricle be filled with blud. Do the valves close?
Yesssss
When heart contracts O2 blood from left ventricle transported to all parts of the body thru
Aorta
What is Aorta
Largest blood vessels in our body. Carries Oxygenated blud.
In each cardiac cycle, blud flows __________ times thru heart🫀✨
2
