Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 7TYK
Which of the following best illustrates homeostasis? (Explain your answer.)
a. Most adult humans are between 5 and 6 feet tall.
b. All the cells of the body are about the same size.
c. When the salt concentration of the blood goes up, the kidneys expel more salt.
d. When oxygen in the blood decreases, you feel dizzy.
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Which of the following statements is NOT TRUE about tissues?
A. The extracellular matrix of blood tissue is the plasma
B. In adipose tissue, tiny cells are surrounded by very thick extra cellular matrix which is where all the fat is located
C. Epithelial cells sometimes have cilia like the ones used in comb jellies and placozoans
D. Nervous Tissue has only one cell type, the neuron
Which of the following is NOT a mechanism to maintain the body’s internal temperature?
A. Fluid has a high capacity for heat, so it requires a great deal of energy to raise its temperature.
B. Warmed fluids from the body’s surface return to the body’s core, thus heating the body.
C. Fluid acts as a coolant by increasing the blood flow from the warm body core to the peripheral tissue, thus cooling the body.
D. Fluid is evaporated as sweat from the skin’s surface, thus cooling the body.
Which of the following physiological event is not maintained by homeostasis?
Select one:
a. Temperature of the body.
b. Blood pressure.
c. Concentration of oxygen in the body.
d. Concentration of nutrients in the body.
Chapter 20 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 20 - Connecting the Concepts 1. There are several key...Ch. 20 - True or false? Each cell in the human body is...Ch. 20 - Prob. 3TYKCh. 20 - Negative-feedback mechanisms are a. most often...Ch. 20 - Briefly explain how the structure of each of these...Ch. 20 - Describe ways in which the bodies of complex...Ch. 20 - Which of the following best illustrates...Ch. 20 - Prob. 8TYKCh. 20 - Prob. 9TYKCh. 20 - Prob. 10TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which molecule is acting a like ball-bearings in the cartilage? Select one: a. Proteoglycan. b. Type-2 collagen fibril. c. Hyaluronic acid. d. Interstitial fluid.arrow_forwardWhich of the following is an example of negative feedback? A. High blood sugar will increase the viscosity of blood plasma (plasma is concentrated). In response, water is drawn into the plasma from surrounding tissues in order to dilute the plasma B. Breathing rate increases during exercise to provide more oxygen to muscle cells. Heart rate also increase to increase the speed at which the oxygen is delivered. C. During digestion cells in the stomach produce HCl to begin breaking down proteins, the HCl then stimulates the release of pepsin, to continue breaking down proteins. D. In the immune system, antibodies produced by B-cells bind to antigens, which activates other B-cells to produce antibodies of the same kind.arrow_forwardWhat are two critical functions of homeostasis that involve epithelia? Select all that apply. A. gas exchange B. control of pH C. thermoregulation D. production of hormones E. cell hydrationarrow_forward
- regarding organization of the human body which is the simplest of these four levels of structural unitsarrow_forwardThe classification of epithelial and connective tissues is based on?arrow_forwardIn an examination of a sample of muscle tissue, you notice that thesample consists of striated cells with multiple nuclei in each cell.This suggests that the sample is from which of the following typesof muscle?a. cardiac c. skeletalb. smooth d. Both b and c are correct.arrow_forward
- Which molecule is acting a like ball-bearings in the cartilage? Select one: a. Interstitial fluid. b. Type-2 collagen fibril. c. Hyaluronic acid. d. Proteoglycan.arrow_forward1. What is the main TYPE of tissue and specific KIND of tissue in the image below? a. epithelial tissue; stratified squamous epithelium b. loose connective tissue; reticular tissue c. epithelial tissue; simple squamous epithelium d. loose connective tissue; adipose tissue 2. For the same picture in #7, which organ is this tissue found in? a. liver b. fat in superficial fascia c. alveoli d. esophagusarrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Structure and function are closely related at the organ level only. b. Homeostasis is the condition of having a dynamic equilibrium of the internal environment. c. Positive feedback loops are triggered by a deviation from a homeostatic set point and are shut down when conditions return to the set point. d. The effects of negative feedback loops are amplified to create an escalating response. e. Cell-cell communication is required to coordinate the activities of the whole bodyarrow_forward
- What type of cell is long fibers with striations and many nuclei which can be controlled voluntarily or involuntarily? a.skeletal muscle cells b.red blood cells c.stratified squamous epithelial cells d.nerve cells e.all of the cell typesarrow_forwardWhich of the following statements regarding epithelial tissue are true? If a statement is false, correct it to make a true statement. a. Epithelial tissues are classified by cell shape and the number of cell layers. b. Epithelial tissues function in protection, immune defenses, secretion, transport, and sensation. c. Epithelial tissue is highly vascular. d. A goblet cell is a unicellular exocrine gland that secretes mucus. e. Pseudostratified epithelium appears to be simple epithelium but is actually stratified. f. Stratified epithelia are specialized to allow substances to cross their cells rapidly.arrow_forwardAnaerobic respiration in muscle tissue results in the formation of Select one: a. pyruvic acid b. carbon dioxide and water c. lactic acid d. ethanol and carbon dioxide O O O Oarrow_forward
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