Embryos of placental mammals
How embryos of placental mammals release nitrogen wastes?
Expert
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.
What do you mean by the term seeding clouds?
Name the cells which presents antigen of the immune system?
Name the type of muscle tissue which moves the bones? Answer: The bones are moved by skeletal striated muscles. Such muscles are voluntary (that is, controlled by vo
Why do cells of nephron tubules have large amount of mitochondria?
Cnidarians and Poriferans do not contain excretory systems. Do platyhelminthes encompass an excretory system?
What is meant by the melanocytes?
What is the causal organism of measles?
Specify how old is the universe?
What are the various types of fecundation which take place in arthropods? Also describe the predominant type?
For biological diversity, is mitosis or meiosis the more significant process?
18,76,764
1945207 Asked
3,689
Active Tutors
1432630
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!