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

Author Question: The yolk sac of humans (Read 45 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 15, 2019
The yolk sac of humans
◦ is evidence of humans' relationships with egg-laying vertebrates.
◦ stores nutrients to support the developing embryo.
◦ secretes HCG.
◦ absorbs nutrients from, and releases waste to, the mother's blood.
Campbell Biology: Concepts & Connections ¦ Taylor, Simon, Dickey, Hogan, Reece ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Collmarie on Jul 15, 2019

fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 15, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Collmarie

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 15, 2019
Excellent


fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 15, 2019
Great! Please up vote :D


« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Female reproductive structure and function in humans. Female reproductive structure and function in humans.
Prenatal development in humans. Prenatal development in humans.
Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Red-Green Color Blindness Is a Sex-Linked Trait in Humans Red-Green Color Blindness Is a Sex-Linked Trait in Humans
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
Video: ribosome

For a complete list of videos, visit our video library