The placenta and umbilical cord act as a life support system. What role do they play in the healthy development of the fetus?

It attaches to the wall of the mother's uterus, and the umbilical cord extends from it, connecting to the baby. It is the baby's life support system and breathing organ while in the womb. The placenta allows oxygen and nutrients to move from the mothers blood to the fetus' blood.

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.