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Questions and Answers
What type of muscle is controlled by the autonomic nervous system?
Where is areolar tissue typically found?
Surrounds blood vessels and nerves
Striated muscle is found in the walls of the heart.
True
Which cells lack nuclei?
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Match the following connective tissues with their descriptions:
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The main tissue of the wall of the heart is called _____ muscle.
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What type of fat is found packed around internal organs?
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Study Notes
Epithelial Tissue
- Non-striated involuntary muscle is controlled by the autonomic nervous system.
- Found in the walls of hollow organs such as the stomach, intestines, bladder, liver, pancreas, and uterus.
- Present in the walls of blood and lymph vessels.
Connective Tissue: Areolar
- Loose or areolar connective tissue surrounds blood vessels and nerves.
- Penetrates small spaces of muscles, tendons, and other tissues.
- Located beneath the epidermis layer.
Muscular Tissue: Striated Muscle
- Striated muscle, also known as skeletal muscle, is found in the walls of the heart.
- Appears striped due to its structure and is under involuntary control.
- Located underneath the epithelial tissue of all body systems.
Nervous Tissue
- Comprised of nerve cells, which carry signals throughout the body.
Human Cardiac Muscle
- Also known as myocardium, makes up the thick layer of the heart.
- Characterized as striated involuntary muscle.
Human Adipose Tissue
- Contains collagen and elastic fibers, filled with lipids (fats).
- Found under the skin (subcutaneous fat) and packed around internal organs (visceral fat).
- Present between muscles, within bone marrows, and in breast tissue.
Smooth Muscle
- Contains nuclei; human blood cells do not have nuclei.
- Composed of plasma, red blood cells (RBC), white blood cells (WBC), and platelets.
Connective Tissues: Cartilage
- Dense connective tissue includes collagen fibers that are closely packed.
- Found in ligaments, tendons, the inner layer of the skin, and the sclera (white outer layer of the eye).
Elastic Cartilage
- Located in external ears, eustachian tubes, and larynx.
- Provides support and maintains the shape of structures like the ear lobe and epiglottis.
Hyaline Cartilage
- Found at articular surfaces of movable joints and in walls of respiratory tracts (nose, larynx, trachea, bronchi).
- Present at the end of ribs, costal cartilages, and epiphyseal plates of long bones.
Bone Tissue
- Composed of spongy tissue, contributing to the hard structure of bones.
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Description
This quiz focuses on the comparative anatomy of nonstriated involuntary muscles and epithelial tissue. It covers their characteristics, locations, and functions within various organs and systems in the body. Test your knowledge on how these tissues operate and their significance in anatomy.
