Chapter 42 Flashcards
Veins function:
Carry deoxygenated blood
Human heart is composed of:
2 atrium (blood in) 2 ventricle (blood out)
What occurs in the capillaries
All gas exchange
Arteriole
Carries blood through artery to capillary (small connecting tube)
Fish have hearts composed of…
2 chamber heart, 1 atrium, 1 ventricle
Fishes blood flows through…
Systemic circulation
Frogs hearts are composed of…
3 chambers, 2 atrium, 1 ventricle
Amphibians blood flows occurs through…
Plumocutaneous circulation
Mammals hearts consist of…
4 chambers, 2 atriums, 2 ventricles
What direction does human blood flow?
Left
Contraction is also known as
Systole
Relaxation is also known as…
Diastole
How do you determine the cardiac output of a person?
Stroke volume * heart rate
Heart murmur
A defect in one or more valves
Law of continuity
If the flow is constant blood will flow faster through the capillaries than arteries.
Immunoglobulin
Bulky proteins
Fibrinogen
Involved in clotting
Red bloods cells are also called…
Erythrocytes
White blood cells are also called…
Leukocytes
Red bloods cells do what?
Contain iron and carry oxygen
How many types of white blood cells are there and what are they?
Monocytes, neutrophils, basophils, eosinophils , lymphocytes
Platelets are…
Involved in clotting
Stem cells
Differentiated cells
Hemophilia
Blood does not clot
Thrombus
Clot in vessel
Heart attack
Caused by blockage of artery or lack of oxygen to heart
Stroke
Blockage or rupture of artery in the brain
Arteriosclerosis
Plaque build up (lipids)
Arteries function:
Carry oxygenated blood
