Name three unencapsulated sensory receptors and tell what they are used for
What will be an ideal response
1. Free nerve endings are found throughout the body. They are used by most body tissues to determine stretching, joint positioning, etc. In the epidermis they become pain receptors, heat and cold receptors, and possibly very light pressure receptors.
2. Modified free nerve endings called tactile disks are used as light touch receptors.
3. Hair follicle receptors are mechanical receptors that become very fine touch receptors.
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What is the term describing the covalent bond formed between two amino acids?
A. Hydrolytic bond B. Phosphodiester bond C. Peptide bond D. Ester bond E. Glycosidic bond
The brain normally uses only ____________________ as a source of fuel for energy production, yet it does not store any of this nutrient
Fill in the blank(s) with correct word
Which of the following structures secretes a fluid containing viscous, sticky mucus that is released prior to ejaculation and functions primarily as a lubricant?
a. The prostate gland b. The bulbourethral glands c. The epididymis d. The seminal vesicles
What is true about somatic reflexes?
A) They help prepare the body for "fight-or-flight." B) We are not usually aware of them. C) They activate skeletal muscle. D) They are important in regulating digestion and blood pressure.