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Unit 3C

Blood Vessels & Lymphatic System

The structures that carry blood from the heart to the organs of the body and then back to the heart again are called (MADE OF ENDOTHELIUM ) Blood Vessels
The space within the blood vessels is called its Lumen
Vessels with thin walls are Veins
Vessels with thick walls Arteries
5 types of vessels are 1. Arteries 2. Arterioles 3. Capillaries 4. Venules 5. Veins
Vessel that carries blood AWAY from the heart (regardless of weather it carries oxygenated blood or deoxygenated blood) Arteries
Artery walls are composed of _______ muscle and ______ fibers that allow for ________ of vessels and the carrying of a _____. Smooth, elastic , extension, pulse
small arteries that arise via branching of large arteries Arterioles
_____ ____ and ____ ____ are also in the walls of arterioles. Arterioles branch to form _____ smooth muscles, elastic fibers , capillaries
The connections between arterioles and venules. capillaries ( bed)
It is at the capillary level where _____ and _____ pass from the blood into the ______ and where carbon dioxide and _____ materials pass from the tissues into the _____. oxygen, nutrients , tissues , waste , blood
small veins formed by the junction of a number of capillaries. venules
a vessel formed by the junction of a number of venules. vein
Veins are said to be formed by _____ and carry blood back to the _____. tributaries, heart
In certain veins that carry blood against gravity contain ______ that allow for the flow of blood only in __ direction , towards the heart. Valves(cusps) , one.
Blood moves past the valves via ______ of surrounding muscles contraction
Flow of blood ? Away from heart---to the heart Artery-->Arterioles--> Capilaries--> Venules--> Veins
Fluid filtered out of the blood______ each day exceeds that reabsorbed . this excess fluid is returned to the blood via ________. capillaries, Lymphocytes
The capillaries that pick up this _______ fluid are called _______ Capillaries, and they differ from blood capillaries in that they are ___________ tubes that begin____. Excess, Lymphatic , endothelial , BLINDLY
Lymphatic capillaries open at both ends or not ? Not
Lymphatic Capillaries will conduct the excess fluid called ____ towards ____ Lymph, Veins
As the lymph move towards the vein a number of them will joint to form and ________ Lymphatic vessel Afferent
Lymphatic vessels consist of _______ layers that comprise blood vessels. similar
Lymphatic vessels contain folds termed _____, that allow for flow of ___ in one direction, towards ____ valves, lymph, veins
there is ___ % blood capillaries 90%
there is ___ % lymphatic capillaries 10 %
Afferent lymphatic vessels convey lymph to _____ _____ , which function to filtering lymph Lymph Nodes
each lymph node has a _____ and a ____, through which lymph will filter Cortex, Medulla
Leaving the lymph node will be several _______ lymphatic vessels that also contain ____ . Efferent, valves
Efferent lymphatic vessels will pass the lymph to the ____ system venous
2 IMPORTANT LYMPHATIC DUCTS are Right Lymphatic duct , Thoracic Duct
this duct drains the right half of head, neck, chest, and right upper limb. Right Lymphatic duct
the duct that drains the rest of the body Thoracic Duct
Deep Lymphatic vessels ? (4) Deep cervical nodes , Right Lymphatic duct , Cisterna Chyli, Deep Inguinal nodes
Superficial Lymphatic vessels Superficial cervical nodes, Axillary nodes, Thoracic Duct
Lymph nodes are present in what regions ? Neck, Axilla, Inguinal region (groin)
Created by: osabdelr



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