Which of the above transmits electrochemical impulses?
13 Cards in this Set
| Forms mucous, serous, and epidermal membranes | Epithelium |
|---|---|
| Transmits electrochemical impulses | Nervous |
| Supports body organ | Connective |
| Cells of this tissue may absorb and/or secrete substances | Epithelium |
| Basis of the major controlling system of the body | Nervous |
What cells receive and transmit electrochemical signals?
The nervous system is made up of neurons, the specialized cells that can receive and transmit chemical or electrical signals, and glia, the cells that provide support functions for the neurons. A neuron can be compared to an electrical wire: it transmits a signal from one place to another.
What type of cells transmit impulses?
Neurons, or nerve cells that carry nerve impulses, are made up of the cell body, the axon, and several dendrites. Signals move across the synapse, the place where the axon of one neuron meets the dendrite of another, using chemicals called neurotransmitters.
Where is simple squamous epithelium found?
Simple squamous epithelia are found lining the cavities of the body including the pericardial, pleural, and peritoneal cavities, or in areas where passive diffusion occurs, such as glomeruli in the kidney and alveoli in the respiratory tract.
What type of tissue anchors and packages body organs?
Connective tissues bind and support structures and tissues, and protect the organs of the body.
Where do sensory neurons transmit impulses?
A sensory neuron transmits impulses from a receptor, such as those in the eye or ear, to a more central location in the nervous system, such as the spinal cord or brain.
What are electrochemical impulses?
Nerve impulses are electrochemical events. Observed as an electrical event, a nerve impulse is called an action potential (AP) because it involves a change in electrical potential that moves along the nerve cell.
Which carries impulses towards the cell body?
dendrites
The dendrites carry impulses toward the cell body. The axon carries impulses away from the cell body. Axons and dendrites are sometimes called nerve fibers. A bundle of nerve fibers is called a nerve.
What transmits impulses into the CNS?
Afferent, or sensory, neurons carry impulses from peripheral sense receptors to the CNS. They usually have long dendrites and relatively short axons. Efferent, or motor, neurons transmit impulses from the CNS to effector organs such as muscles and glands.
Which epithelial tissue is found lining the kidney glomerulus?
Where is columnar epithelial tissue found in the body?
Types of epithelial cells in your body Simple columnar epithelium: This type of epithelium is often specialized for absorption and usually has apical cilia or microvilli. These cells line your stomach and intestines.
Which type of tissue lines body cavities and covers body surfaces quizlet?
Epithelial tissue covers and protects the body surfaces, lines body cavities, specializes in moving substances into and out of the blood, and forms many glands.