Answer
At week 5-6 of gestation, the baby’s heart starts beating.
Explanation
Fertilization occurs in week 3 followed by implantation in week 4.In week 5 the levels of hormones increases with formation of the baby’s heart and circulation system. In week 6, the neutral tube closes followed by development of structures necessary to form eyes and ears. The head of the baby develops at week 7 followed by nose in week 8 and toes in week 9.
A good title would be "The Cell Membrane: _____" and then insert what type of cell it is in the blank.
First question=true
second=false
third=false
I think about 60 g/m^2 is released into the atmosphere as a result of the metabolic activity of herbivores. Metabolism is the sum of the chemical reactions that take place within a cell of a living organisms and that provide energy energy for vital processes and also for synthesizing new organic material. In herbivores, cellular respiration is the major process that releases carbon dioxide in the atmosphere.
Answer:
a baby body has about 300 bones at birth
