Answers
routing more blood to the core of the body
One of the functions of blood is to regulate temperature in the body. If the body is UNDERHEATED,
heat is conserved by:
efferent lymphatic vessels
Lymph leaves a lymph node via
interstitial fluid
Fluid that has leaked out of capillaries and is found around tissues is called
the red pulp
in the spleen, which disposes of worn out erythrocytes
megakaryocytes
which cells form platelets in the red bone marrow?
veins
the blood vessel type bringing blood from the lungs to the heart
epiglottis
air and food are routed into the proper channels by:
high
when analyzing a blood sample, lab workers usually look for white blood cells with an abnormally
_______ count to indicate that there may be various types of infections
thymus
which lymphatic organ does NOT directly fight pathogens
superiorly
vestibular folds are located _______ to the vocal folds
pulmonary trunk to the right ventricle
the pulmonary semilunar valve prevents back flow from the:
trachea
what has mucus-making goblet cells and ciliated pseudostratified columnar epithelial cells for
sweeping mucus-entrapped particles away?
connects the two atria in the fetal heart
the foramen ovale:
, True
T or F: Mature red blood cells lack a nucleus
myocardium
Which layer of the heart is composed of cardiac muscle tissue
ductus venosus
a fetal vessel that allows some blood to bypass the liver
the walls of the small intestine
where are Peyer's patches found?
erythropoiesis
the process of forming new red blood cells is:
placenta
Because the lungs are filled with fluid during fetal life, where does fetal respiratory exchange take
place?
veins
Which vessels have valves?
pulmonary trunk
which blood vessel takes blood away from the heart?
erythrocytes
what part of the hematocrit (formed elements of blood) is the largest percentage by volume?
inspiration
air flows into your lungs with each:
lymphatic vessels
what returns interstitial fluid that has escaped from the circulatory system?
contracts; expands
During inhalation, the diaphram _______ and the lungs ______.
alveoli
what provides the greatest surface area for gas exchange?
decrease; increase
the rate of respiration increases when chemoreceptors detect a(n) ____ in oxygen and a(n) ______ in
carbon dioxide in the blood.