Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 26, Problem 26CYU
Cite similarities and differences between the penis and clitoris.
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Normal dive (for diving humans)
normal
breathing
dive
normal
breathing
Oz level
CO2 level
urgent need
to breathe
Oz blackout zone
high CO2 triggers breathing
6. This diagram shows rates of oxygen depletion and carbon dioxide accumulation in the blood in
relation to the levels needed to maintain consciousness and trigger the urgent need to breathe in
diving humans.
How might the location and slope of the O₂ line differ for diving marine mammals such as
whales and dolphins?
•
How might the location and slope of the CO₂ line differ for diving marine mammals such as
whales and dolphins?
•
•
Draw in predicted lines for O2 and CO2, based on your reasoning above.
How might the location of the Urgent Need to Breathe line and the O2 Blackout Zone line
differ for diving marine mammals?
What physiological mechanisms account for each of these differences, resulting in the ability
of marine mammals to stay submerged for long periods of time?
foraging/diet type
teeth
tongue
stomach
intestines
cecum
Insectivory
numerous, spiky, incisors procumbentExample: moleExample: shrew
--
simple
short
mostly lacking
Myrmecophagy
absent or reduced in numbers, peg-likeExample: tamandua anteater
extremely long
simple, often roughened
short
small or lacking
Terrestrial carnivory
sharp incisors; long, conical canines; often carnassial cheek teeth; may have crushing molarsExample: dog
--
simple
short
small
Aquatic carnivory
homodont, spiky, numerousExample: common dolphin
--
simple or multichambered (cetaceans only)
variable
small or absent
Sanguinivory
very sharp upper incisors; reduced cheek teethExample: vampire bat
grooved
tubular, highly extensible
long
small or lacking
Herbivory (except nectivores)
incisors robust or absent; canines reduced or absent; diastema; cheek teeth enlarged with complex occlusal surfacesExample: beaver
--
simple (hindgut fermenters) or multichambered (ruminants)
long
large
Filter feeding
none…
3. Shown below is the dental formula and digestive tract anatomy of three mammalian species
(A, B, and C). What kind of diet would you expect each species to have? Support your
answers with what you can infer from the dental formula and what you can see in the
diagram. Broadly speaking, what accounts for the differences?
Species A
3/3, 1/1, 4/4, 3/3
པར『ན་
cm 30
Species B
4/3, 1/1, 2/2, 4/4
cm 10
Species C
0/4, 0/0,3/3, 3/3
020
Chapter 26 Solutions
Anatomy & Physiology
Ch. 26 - What are the two major functions of the testes?Ch. 26 - Which of the tubular structures shown in Figure...Ch. 26 - Muscle activity and the pampiniform venous plexus...Ch. 26 - What is the function of the erectile tissue of the...Ch. 26 - Name the organs of the male duct system in order,...Ch. 26 - What are two functions of the stereocilia on the...Ch. 26 - Which accessory organ of the male duct system runs...Ch. 26 - Adolph, a 68-year-old gentleman, has trouble...Ch. 26 - Prob. 9CYUCh. 26 - What is semen?
Ch. 26 - What is erection and which division of the ANS...Ch. 26 - Prob. 12CYUCh. 26 - What is the final outcome of meiosis?Ch. 26 - Describe the major structural and functional...Ch. 26 - Prob. 15CYUCh. 26 - What is the HPG axis?Ch. 26 - Prob. 17CYUCh. 26 - What are three secondary sex characteristics...Ch. 26 - Briefly, what are the internal genitalia of a...Ch. 26 - What two roles do the ovaries assume?Ch. 26 - Prob. 21CYUCh. 26 - Prob. 22CYUCh. 26 - Oocytes are ovulated into the peritoneal cavity...Ch. 26 - What portion of the female duct system is the...Ch. 26 - What is the female homologue of the bulbo-urethral...Ch. 26 - Cite similarities and differences between the...Ch. 26 - Developmentally, mammary glands are modifications...Ch. 26 - From what cell types does breast cancer usually...Ch. 26 - How do the haploid cells arising from oogenesis...Ch. 26 - How do identical twins differ developmentally from...Ch. 26 - What occurs in the luteal phase of the ovarian...Ch. 26 - Which hormone plays an important role in letting...Ch. 26 - Which hormone(s) prompt follicle growth? Which...Ch. 26 - Which gonadal hormone exerts positive feedback on...Ch. 26 - Which gonadal hormone causes the secondary sex...Ch. 26 - Prob. 36CYUCh. 26 - Which pathogen is most associated with cervical...Ch. 26 - What is the most common bacterial STI in the...Ch. 26 - The structures that draw an ovulated oocyte into...Ch. 26 - The usual site of embryo implantation is (a) the...Ch. 26 - The male homologue of the female clitoris is (a)...Ch. 26 - Which of the following is correct relative to...Ch. 26 - Secondary sex characteristics are (a) present in...Ch. 26 - Which of the following produces the male sex...Ch. 26 - Which will occur as a result of nondescent of the...Ch. 26 - The normal diploid number of human chromosomes is...Ch. 26 - Relative to differences between mitosis and...Ch. 26 - Match the key choices with the descriptive phrases...Ch. 26 - The menstrual cycle can be divided into three...Ch. 26 - Spermatozoa are to seminiferous tubules as oocytes...Ch. 26 - Which of the following does not add a secretion...Ch. 26 - The corpus luteum is formed at the site of (a)...Ch. 26 - The sex of a child is determined by (a) the sex...Ch. 26 - FSH is to estrogens as estrogens are to (a)...Ch. 26 - Prob. 17RQCh. 26 - Describe the major structural (and functional)...Ch. 26 - Oogenesis in the female results in one functional...Ch. 26 - Define menarche. What does it indicate?Ch. 26 - Trace the pathway of a sperm from the male testes...Ch. 26 - Prob. 22RQCh. 26 - Both the epithelium of the vagina and the cervical...Ch. 26 - Some anatomy students were saying that the...Ch. 26 - A man swam in a cold lake for an hour and then...Ch. 26 - Prob. 1CCSCh. 26 - Prob. 2CCSCh. 26 - Prob. 3CCSCh. 26 - Prob. 4CCS
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- 3. Shown below is the dental formula and digestive tract anatomy of three mammalian species (A, B, and C). What kind of diet would you expect each species to have? Support your answers with what you can infer from the dental formula and what you can see in the diagram. Broadly speaking, what accounts for the differences? Species A 3/3, 1/1, 4/4, 3/3 cm 30 Species B 0/4, 0/0, 3/3, 3/3 cm 10 Species C 4/3, 1/1, 2/2, 4/4 E 0 cm 20 AILarrow_forwardNormal dive (for diving humans) normal breathing dive normal breathing Oz level CO₂ level urgent need to breathe Oz blackout zone high CO₂ triggers breathing 6. This diagram shows rates of oxygen depletion and carbon dioxide accumulation in the blood in relation to the levels needed to maintain consciousness and trigger the urgent need to breathe in diving humans. • How might the location and slope of the O2 line differ for diving marine mammals such as whales and dolphins? • How might the location and slope of the CO2 line differ for diving marine mammals such as whales and dolphins? • • Draw in predicted lines for O2 and CO2, based on your reasoning above. How might the location of the Urgent Need to Breathe line and the O2 Blackout Zone line differ for diving marine mammals? What physiological mechanisms account for each of these differences, resulting in the ability of marine mammals to stay submerged for long periods of time?arrow_forwardHow much ATP will be produced during the following metabolic scenario: Aerobic respiration of a 5mM lipid solution that is made up of one glycerol and an 8-carbon fatty acid and 12-carbon fatty acid. Recall that when glycerol breaks down to Glyceraldehyde-3-phosphate it costs one ATP but your get an extra FADH2. Every two carbons of a fatty acid break down to one acetyl-CoA. Units cannot be entered in this style of question but the units of your answer should be in mM of ATP.arrow_forward
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