Podcast
Questions and Answers
A system is composed of organs and ______.
A system is composed of organs and ______.
structures
An organ is a distinct structural unit made up of different types of ______.
An organ is a distinct structural unit made up of different types of ______.
tissue
A tissue is living matter of any one particular type, both structural and ______, composed of more or less uniformed cells.
A tissue is living matter of any one particular type, both structural and ______, composed of more or less uniformed cells.
functional
A cell, a unit from which living matter is built up, consists of protoplasm and ______.
A cell, a unit from which living matter is built up, consists of protoplasm and ______.
Nutrients for the cells diffuse out of the capillary blood vessels into the ______ from which they are absorbed by the cells.
Nutrients for the cells diffuse out of the capillary blood vessels into the ______ from which they are absorbed by the cells.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, mesoderm, and ______.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, mesoderm, and ______.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.
Epithelial tissues include true epithelium such as the outer layer of the skin, or epidermis, and the lining membranes of hollow organs as well as the parenchyma of ______.
Epithelial tissues include true epithelium such as the outer layer of the skin, or epidermis, and the lining membranes of hollow organs as well as the parenchyma of ______.
Mechanical tissues include various tissues in which the ground substance is more important than the cells which produce it such as bone, cartilage and ______ tissues.
Mechanical tissues include various tissues in which the ground substance is more important than the cells which produce it such as bone, cartilage and ______ tissues.
Muscular tissues are made up of three types of highly specialized cells: smooth-muscle cells, cross-striated muscle cells and ______ cells.
Muscular tissues are made up of three types of highly specialized cells: smooth-muscle cells, cross-striated muscle cells and ______ cells.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, mesoderm, and ______.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, mesoderm, and ______.
Most organs are composed of two main structures: the parenchyma, which is the specialized working tissue of the organ, and the stroma, which is the less evolved supporting tissue holding the parenchyma ______.
Most organs are composed of two main structures: the parenchyma, which is the specialized working tissue of the organ, and the stroma, which is the less evolved supporting tissue holding the parenchyma ______.
If the blood ceases to flow, the concentrations become balanced and diffusion stops. The cells can no longer be kept alive and the body ______.
If the blood ceases to flow, the concentrations become balanced and diffusion stops. The cells can no longer be kept alive and the body ______.
The watery fluid percolating through all the minute spaces among the cells of the body is known as ______ fluid.
The watery fluid percolating through all the minute spaces among the cells of the body is known as ______ fluid.
Waste products are transferred from the cells via the tissue fluid to the ______ and lymph.
Waste products are transferred from the cells via the tissue fluid to the ______ and lymph.
Dissolved substances diffuse from zones of high concentration to zones of low concentration through the process of ______.
Dissolved substances diffuse from zones of high concentration to zones of low concentration through the process of ______.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, ______, and endoderm.
All tissues of the body appear to be derived from three primitive cell types: ectoderm, ______, and endoderm.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.
Nervous tissue arises in the embryo from the same layer of tissue as the outer skin, but it behaves so differently that it must be separately ______.