A tissue is a :
Tissue is a cellular organizational level between cells and a complete organ. A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple tissues.
Endothelium of the inner surface of blood vessels in vertebrates is formed
Cells of squamous epithelium are
The three principal shapes associated with epithelial cells are - squamous, cuboidal and columnar. Squamous epithelium has cells that are wider than their height (flat and scale-like). This is found as the lining of the mouth, oesophagus, the blood vessels and in the alveoli of the lungs.
The protein deposited in the dead superficial cells that make the skin epithelium impervious to water is
A is the correct option.The protein deposited in the dead superficial cells that make the skin epithelium impervious to water is Keratin which makes this epithelium impervious to water.
Horns of most mammals are composed of
Mammary glands are modified
These exocrine glands are enlarged and modified sweat glands and are the characteristic of mammals which gave the class its name. The basic components of the mammary gland are the alveoli (hollow cavities, a few millimetres large) lined with milk-secreting cuboidal cells and surrounded by myoepithelial cells.
Which of the following tissue has matrix, that is the source of its structural and functional performances?
Wrinkling in old age is due to
Dermis of mammalian skin is mainly composed of
The dermis forms the bulk of the mammalian skin. It is composed of an association of connective tissue fibres, mainly collagen, with a ground substance of mucopolysaccharide materials (glycosaminoglycans), which can hold a quantity of water in its domain.
Fat is abundant in
D is the correct option.The fat stored in adipose tissue comes from dietary fats or is produced in the body. hormone signaling; adipose tissueWhen hormones signal the need for energy, fatty acids and glycerol are released from triglycerides stored in fat cells (adipocytes) and are delivered to organs and tissues in the body.
Tendon connects
Cartilage is produced by
Bone forming cells are
Bone marrow is important for
Haversian system is typically found in bones of
Blood is
Your body is slightly alkaline, with a pH between 7.35 and 7.45. Your stomach is very acidic, with a pH of 3.5 or below, So it can break down food. And your urine changes, depending upon what you eat - that’s how your body keeps the level in your blood steady.
Mammalian erythrocytes are
D is the correct option.The circular mammalian erythrocyte is synthesized in the bone marrow. After synthesis it undergoes a process called enucleation in which the nucleus is removed. The absence of a nucleus allows the red blood cells to contain more hemoglobin and hence carry more oxygen.
Life span of RBC is
Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days. Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days.
Red cell count is carried out by
Striated muscles are found in
Striated muscles are found in - skeletal muscles. more Skeletal muscle is a specialized contractile tissue found in animals which functions to move an organism’s body. Skeletal muscle is comprised from a series of bundles of muscle fibers, surrounded by protective membranes. This arrangement allows skeletal muscle to contract quickly and release quickly without subjecting the individual fibers to too much friction. Skeletal muscle tissue can be found across the animal kingdom, in most multi-cellular forms of life.
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