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Why is skin considered to be an organ but blood is considered to be a tissue?
Blood is considered a tissue because it holds all receiving tissues together. Skin is considered an organ because it holds all of the other bodily tissues and organs in place.
Two or more tissues which cooperate as a unit is considered a what?
System
Are All body tissues are considered to be soft tissue?
No. Bone is not.
Is leaf a organism?
Yes, a leaf is considered an organ. It is made of several types of tissues, so it cannot be tissue itself.
Are hematopoietic stem cells considered an organ?
No. They are considered a tissue not an organ. Since these cells are similar and work together, they fill the definition of a tissue. Tissues that work together are called organs.
Why the members of porifera are called republic of cells?
Sponges are multicullular animal having 13 types of cells arranged in outer pinacoderm, inner choanoderm and intermediate mesohyl with 10 types of wandering cell each with specific structure and functions. They are neither derived from a common germ layer not share a functional similarity. For this reason they are considered as the republic of cells without tissue system of organisation.
Why is skin considered to be an organ but blood is considered to be a tissue?
Blood is considered a tissue because it holds all receiving tissues together. Skin is considered an organ because it holds all of the other bodily tissues and organs in place.
Two or more tissues which cooperate as a unit is considered a what?
System
Are All body tissues are considered to be soft tissue?
No. Bone is not.
Which organ contains root hair tissues?
Root organ contains root hair tissues
What is the mesohyll?
The mesohyl, formerly known as mesenchyme, is a gelatinous matrix within a sponge. The mesohyl resembles a type of connective tissue and contains several amoeboid cells, fibrils, and skeletal elements. For hundred of years, it has been largely accepted that sponges lack true tissue, but it is currently debated as to whether mesohyl and pinacoderm layers are in fact tissues
Why are skin hair and considered tissues?
Hair and nails are dead cells
Why are skin hair and bones considered tissues?
Hair and nails are dead cells
Two muscular tissues that show light and dark bands?
Skeletal and cardiac muscle tissues are both considered as striated, which means that they have light and dark bands.
How are organelles and organs different?
organelles parts of a cell organ - considered of several tissues
Is a leaf a tissue or an organ?
Yes, the leaf is considered a plant organ.
Do phylum poriferia have true tissues?
No, phylum Porifera (sponges) do not have true tissues. They are considered to be a simple multicellular organism lacking organized tissues and organs. Instead, their cells are loosely aggregated to form specialized structures for various functions.
