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what are the functions of the spleen why is a total splenectomy surgical removal of the spleen compatible with lifethe spleen has many functions it
on average what is the life duration of the red blood cells where are they destroyed what is the destination of the heme groups after the destruction
what is the molecular composition of hemoglobin does the functionality of hemoglobin as a protein depend upon its tertiary or upon its quaternary
what are blood stem cellsstem cells are undifferentiated cells able to distinguish into other types of specialized cellsthe stem cells of the bone
in which bones can bone marrow chiefly be found is the bone marrow made of osseous tissuebone marrow can mostly be found in the internal cavities of
what are the constituent elements of the bloodthe blood is made of a liquid and a cellular part the fluid part is known as plasma and in it there are
where does hematopoiesis occurhematopoiesis happens in the bone marrow mainly within flat bones where erythrocytes leukocytes and platelets are made
what are the main functions of the bloodthe blood is a means of substance transportation all by the body the blood distributes nutrients oxygen
what are diseases of the connective tissue what are some of themdiseases of the connective tissue are hereditary or acquired diseaseslots of
of which substance do elastic fibers of the connective tissue are made what are some functions of these fibersthe elastic fibers are made of a
what is the function of the collagen fibers of the connective tissuethere are dissimilar collagen types the major function of these proteins is to
what is connective tissue properthe name connective tissue proper is used to assign the connective tissue that fills interstitial spaces as opposed
of which type of tissue are cartilages and bones madeare the cells of the connective tissue far or near to the othersthe relative great spacing among
what is the typical biological function of the connective tissues how is this function associated to the main features of its cellsthe typical
what are muscle tissues how is the function of this tissue related to the typical characteristics of its cells muscle tissues are tissues made of
of which cells is the nervous tissue constituted how is the generic function of this tissue related to the characteristics of the main cell type that
what are epithelial tissues what are their general function and how is that function associated to the features of the tissueepithelial tissues also
from the zygote pluricellular organisms are produced by serial mitosis would this formation be possible if every cell made by mitosis had an
what is the logical order in which the concepts of atoms molecules cells up to biosphere are associatedatoms form molecules that structure cells that
are the limbs modified into wings of bats and the wings of birds examples of evolutionary analogy or homology what about whale fins compared to fish
is fecundation in mammals internal or external fecundation in mammals is internal with copulation in the contemporary world human technology is able
how do placental mammals reproduceplacental mammals reproduce sexually they have internal fecundation and they are viviparous ie their embryo creates
do all mammals have a placentamammals of the monotreme group echidnas platypus are oviparous egg-laying and they do not have a placenta mammals of
what are the three major groups into which mammals are dividedthe three groups into which mammals are divided are monotremes or prototherian eg
what are the typical features of mammalsthe typical features of mammals are body more or less covered with hair presence of the diaphragm muscle that