« previous next »

Author Question: The ____ houses the blood vessels that join the embryo and its mother. a. umbilical cord b. ... (Read 258 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
on: Jun 22, 2018
The ____ houses the blood vessels that join the embryo and its mother.
 
  a. umbilical cord
  b. amnion
 c. germ disc
 d. mesoderm

Question 2

Which best describes the paternal investment theory of puberty?
 
  a. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to delay its onset.
  b. Moms have the greatest impact on the timing of early puberty, and having a highly involved mom appears to accelerate its onset.
  c. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to delay its onset.
  d. Dads have the greatest impact on the timing of early puberty, and having a highly involved dad appears to accelerate its onset.


jaymee143

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Circulatory System: Blood Vessels Circulatory System: Blood Vessels
Physiological Factors Affecting Blood Pressure Physiological Factors Affecting Blood Pressure
Position of the fetus in late pregnancy results in stresses on the mother’s body. Position of the fetus in late pregnancy results in stresses on the mother’s body.
Human embryo fetus Growth Human embryo fetus Growth
Comparing Blood Vessel Structure Comparing Blood Vessel Structure
Blood Flow Through Capillaries Blood Flow Through Capillaries
Video: Conduction of action potentials

For a complete list of videos, visit our video library