You have decided to pick up your pencil and jot down some notes. Determine the specific types of white and gray matter in the spinal cord responsible for transmitting this motor information
What will be an ideal response?
The corticospinal tracts of the spinal white matter control the skeletal muscles below the head and neck. These tracts originate primarily from the motor areas in the cerebral cortex. The majority of these fiber tracts decussate and bring motor information to the appropriate places in the anterior horn of the spinal gray matter.
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What cells begin the heartbeat and maintain regular heartbeat rhythm?
What will be an ideal response?
Found within both the periosteum and endosteum, ________ cells are derived from mesenchyme and serve as the stem cells of bone.
Fill in the blank(s) with the appropriate word(s).
Receptors for pain called ________ respond to tissue damage.
Fill in the blank(s) with the appropriate word(s).
Prior to being used as subjects, many laboratory animals are given a period of time to get used to the conditions in the laboratory, e.g., the light/dark cycle. The process they undergo during this time is referred to as
a. acclimation. b. acclimatization. c. adaptation. d. adjustment. e. evolution.