--%>

Embryos of placental mammals

How embryos of placental mammals release nitrogen wastes?

E

Expert

Verified

Placental animals, with embryos, release the urea. In the adult placental mammal, urea is secreted through urine. In embryos, the molecule passes to the blood of the mother through the placenta and it is released in the mother’s urine.

   Related Questions in Biology

  • Q : Civil Rights Act - Organizational

    This law refined the 1964 act and reinstated burden of proof falls on employers to eliminate discrimination and ensure equal opportunity in employment to employees. It also allows punitive and compensatory damages through jury trials.    

  • Q : What is Frame Relay Frame Relay :

    Frame Relay: Telecommunications technology which breaks data stream into small data packets termed as frames, to give transmission speeds of 64 kilo bits per thousand (Kbps) to 2.4 giga bits per second (Gbps) at fairly lower costs. The Frame-relay equ

  • Q : Question on ploting industry supply

    The table below illustrates the firm's revenue and cost information while the price falls to $35.If 100 identical firms are in the market, plot industry supply curve? For 100 firms along with identical cost struct

  • Q : Oral Communication - Organization

    It occurs through the spoken word. In oral communication, the two parties to communication, the sender and the receiver, exchange their views through speech, either in face to face communication between individual and individual, or between an individual and the group, or any mechanical or electr

  • Q : Action of hormone on uterus Specify the

    Specify the hormone which is liberated through the growing ovarian follicles? Explain the action of that hormone on the uterus?

  • Q : Aerobic cellular respiration What

    What occurs when supply of the oxygen is insufficient in order to maintain aerobic cellular respiration during the muscle exercise?

  • Q : Elucidate homologous chromosomes

    Elucidate homologous chromosomes? Name the human cells which do not contain homologous chromosomes?

  • Q : Nucleophilic addition reaction Define

    Define the term nucleophilic addition reaction?

  • Q : Define Biomass Biomass : Sources of

    Biomass: Sources of Biomass can take various forms and shapes. It can be solid in form as in agricultural wastes, waste wood  from forestry and industry, wastes from food and paper industries, green municipal solid waste (MSW), dedicated energy c

  • Q : Acidic flavor of fermented milk To

    To which substance is the acidic flavor of fermented milk due?