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

Which European country entered World War I as part of the Central Powers but later switched sides to the Allies in 1915?

53 divided by 6324=?

how do I write 0.326 in two other forms

Which of the following was true of Nixon's presidency? A. It oversaw the establishment of the Environmental Protection Agency. B. It tried to overthrow Johns

How did the rise of the Knights of Labor impact the Populist movement in the late 1800s? The rise of the Knights of Labor led to the creation of granges and far

describe what happens during the first stage of the cell cycle in a eukaryotic cell

An airplane flies a distance of 650km at an average speed of 300 km/h. How much time did the flight take?

A teacher has a bag of 100 unit cubes.She gives an equal number of cubes to each of the 7 groups in her class.She gives each group as many cubes as she can.How

train A arrives at central station on the hour and every 12 minutes . train B arrives on the hour and every 15 minutes . when do both trains arrive at the same

Ivanna spent a total of $95 at the grocery store. Of this amount, she spent $57 on fruit. What percentage of the total did she spend on fruit?