It takes about one minute for a blood cell to make a complete circuit of the human body.
The answer u r looking for is- D, Nuclear Envelope. Hope I’ve helped ;)
67 million years ago in the form of phyollths (small sllica flecks in grass that make it difficult to digest)
Its a homogeneous mixture
Answer:
Gastrulation takes place after cleavage and the formation of the blastula and the primitive streak. It is followed by organogenesis, when individual organs develop within the newly-formed germ layers. Each layer gives rise to specific tissues and organs in the developing embryo.Cells in each germ layer differentiate into tissues and embryonic organs. The ectoderm gives rise to the nervous system and the epidermis, among other tissues. The mesoderm gives rise to the muscle cells and connective tissue in the body. The endoderm gives rise to the gut and many internal organs.
