Download Lymphatic System The lymphatic system and the cardiovascular

The lymphatic system and
the cardiovascular system
are closely related
structures that are joined
by a capillary system. The
lymphatic vessels are
present wherever there
are blood vessels and
transport excess fluid to
the end vessels without
the assistance of any
"pumping" action. The
lymphatic system is
composed of lymph
vessels, lymph nodes, and
organs.
Lymphatic System
What makes up the lymphatic system?
A) Lymph nodes
B) Lymphatic vessels
C) Lymph organs
D) All of the above
E) None of the above
Importance in Human Body
 It is important to the body's defense mechanisms.
 It filters out organisms that cause disease, produces
certain white blood cells and generates antibodies.
 It absorbs fats from the small intestine.
 It is also important for the distribution of lymph fluids and
nutrients in the body, because it drains excess fluids and
protein so that tissues do not swell up.
Importance in Human Body
Which of the following functions does the
lymphatic system not do in the human
body?
A) Circulate lymph fluid
B) Fights diseases caused by organisms
C) Picks up fat from small intestine
D) Circulates blood
E) Produces white blood cells
What is the fluid in the lymphatic
system?
“Lymph" is a milky body fluid that contains a type
of white blood cells, called "lymphocytes," along
with proteins and fats. Lymph seeps outside the
blood vessels into spaces of the body tissues;
this is stored in the "lymphatic" system to flow
back into the bloodstream. Through the flow of
blood in and out of arteries, and into the veins,
and through the lymph nodes and into the
lymph, the body is able to eliminate the products
of cellular breakdown and bacterial invasion.
What is the fluid in the lymphatic
system?
It is made up of all the following except,
A) Protein
B) Red Blood cells
C) Lymphocytes
D) Fats
E) Water
How does the lymph fluid go into the
cardiovascular system that makes up the
circulatory system?
Two very large areas of
significance in this system are
the right lymphatic duct which
drains lymph fluid from the
upper right quarter of the body
above the diaphragm and
down the midline, and the
thoracic duct, a structure
roughly sixteen inches long
located in the pleural cavity
which drains the rest of the
body. These ducts bring the
lymph fluid back to the
cardiovascular system through
the right subclavian vein and
the left subclavian vein.
How does the lymph fluid go into the
cardiovascular system that makes up
the circulatory system?
A) Lymph node
B) Right lymphatic duct and the Thoracic
duct
C) Lymphatic vessel
D) Jugular vein
E) Lymphatic trunk
Lymph organs
Lymph organs include the bone marrow, lymph nodes,
spleen, and thymus.
Lymph organs
Which of the following is not an lymph
organ?
A) Heart
B) Lymph node
C) Bone marrow
D) Spleen
E) Thymus
 Bone marrow-contains tissue that produces
lymphocytes. B-lymphocytes (B-cells) mature in the
bone marrow. T-lymphocytes (T-cells) mature in the
thymus gland. Other blood cells such as monocytes
and leukocytes are produced in the bone marrow.
Where are T cells and B cells
produced?
A) Bone marrow
B) Blood
C) Blood vessels
D) Lymph vessels
E) Thyroid
 Lymph nodes-are areas
of concentrated
lymphocytes and
macrophages along the
lymphatic veins. There
are more than 100 tiny,
oval structures (called
lymph nodes). These are
mainly in the neck, groin
and armpits, but are
scattered all along the
lymph vessels.
What are lymph nodes?
A) Concentrated areas of lymphocytes
B) Blood vessels
C) Lymph fluids
D) Proteins
E) Red blood cells
 Spleen-is similar to the
lymph node except that it
is larger and filled with
blood. The spleen serves
as a reservoir for blood,
and filters or purifies the
blood and lymph fluid that
flows through it. If the
spleen is damaged or
removed, the individual is
more susceptible to
infections.
What does the spleen do?
A) It filters blood and lymph fluid
B) It makes B cells and T cells
C) It makes red blood cells
D) It makes protein
E) It makes water
 Thymus-secretes a hormone, thymosin, that causes preT-cells to mature (in the thymus) into T-cells.
What is the function of the
thymus gland?
A) It makes B cells
B) It matures T cells
C) It secretes protein
D) It makes red blood cells
E) It makes platelets