silverpurify silverpurify

04-06-2014
Health

contestada

The fetus is nourished by the ____ during the first 7 weeks and by the _ from week 8 through birth ?

Respuesta :

07-06-2014

yolk sac during first 7 weeks
placenta from 8 weeks till birth

Answer Link

Otras preguntas

What is the setting of "A Visit of Charity" by Eudora Welty?

Whose epithet is god of the sea-blue mane?

a pool is the shape of a rectangle has a perimeter of 80 feet. The pool is 8 feet less wide than it is long. Find the length and width of the pool.

A committee of 2 people is to be chosen from 5 women and 5 men. What is the probability at least one man was chosen given at least one woman was chosen?

prokaryotic cells and eukaryotic cells are similar in all of these aspects except: A. their ability to maintain homeostasis B. their average size C. their cell

Replace the following words with synonyms and explain why you chose them “Having demonstrated its versatility as a high-tech newswire, Twitter drew the attentio

What is the pH of an aqueous solution of 1 M CH3COOH (pKa=4)

please help me thank you

Que raza es es mía pero quiero ver si adivinan e

For every 4 yellow T-shirts they manufacture, they should manufacture 7 white T-shirts. The ratio of the number of yellow T-shirts to the number of white T-shir