This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Once pregnancy has been established, a temporary organ called ______ develops on the uterine wall to ... (Read 77 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jun 18, 2018
Once pregnancy has been established, a temporary organ called ______ develops on the uterine wall to serve as a transfer station for nourishment and oxygen from mother to the fetus, and for waste products from the fetus to mother.
 
  a. umbilical cord
  b. blastula
  c. afterbirth
  d. placenta

Question 2

What is the correct sequence of events that follow fertilization of an egg?
 
  a. zygote, blastocyst, embryo, fetus
  b. blastocyst, embryo, zygote, fetus
  c. embryo, blastocyst, zygote, fetus
  d. zygote, embryo, fetus, blastocyst


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 18, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


fahad

  • Member
  • Posts: 570
Reply 2 on: Jun 18, 2018
Gracias!

Laurenleakan

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ... A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
40th Week pregnancy period baby 40th Week pregnancy period baby
As with smoking, drinking alcohol during pregnancy exposes the fetus to potentially toxic substances As with smoking, drinking alcohol during pregnancy exposes the fetus to potentially toxic substances
Video: Exercise and cardiac output

For a complete list of videos, visit our video library