jessie6369 jessie6369
  • 03-05-2020
  • Biology
contestada

What allows substances to pass back and forth between the placenta and the embryo?

Respuesta :

hlvanbremen
hlvanbremen hlvanbremen
  • 03-05-2020

Answer: the fetus.

Explanation: The fetus is connected to the placenta by a tube called the umbilical cord. The cord contains two arteries and a vein. Substances pass back and forth between the mother's and fetus's blood through the placenta and cord.

Answer Link
pmn04
pmn04 pmn04
  • 03-05-2020

between the mother's and fetus blood through the placenta and cord

Answer Link

Otras preguntas

What was the purpose, provisions, and impact of the Emancipation Proclamation? Supports: 1. 2. 3. Thesis Statement:
Which number on this map represents the Nile River? A. 1 B. 5 C. 6 D. 9
Paloma used these steps to solve the equation 6x+5=3(2x+1). Which choice describes the meaning of her result, 2=0?
Emergency Need to get to 90! Please answer, this is exterior angle theorem.
7 hundreds times 10 equals
Which cell contains an absolute reference?
emergency i need the answer please HELP!
Help Help Me Plzzzzzzzzzzzzzzzzzzzzz I don't understand this problems
what is ur life about if I don't have one???????????????
One mole of an unknown compound has 36.04g of carbon and 6.04g of hydrogen. What is the compound's empirical formula?