The nervous system develops enough to permit reflex actions during which period of development?Multiple Choicepre-embryonicembryonic, weeks 6–8fetal, months 3–4embryonic, weeks 2–3embryonic, weeks 4–5

The fetal period is best characterized as involving:Group of answer choicesinitial development of arm and leg budsimplantation in the lining of the mother’s uterusthe first signs of nervous system activitydramatic increases in size and onset of the first movements the mother can feel

Babies are born with natural reflexes and as they grow, their actions become more intentional.Group of answer choicesTrueFalse

Which of the following processes is an emphasis of brain development in the second year of life?Group of answer choicesD) Proximodistal developmentA) Development of neurons and glial cellsB) Formation of synapsesC) Myelinization

By what age babies have more control of their eye muscles and are able to focus their eyes on one thing?Group of answer choices3 months2-3 months1-2 months2-3 weeksNext

Match the following stages of human development with the best description.InstructionsDrag and drop application.Embryonic periodEmbryonic period drop zone empty.Fetal periodFetal period drop zone empty.Pre-embryonic periodPre-embryonic period drop zone empty.Weeks 2-8; implantation occurs; nervous system, limb buds and all other systems are developing.Egg is fertilized by sperm; zygote begins to divide.Third - ninth month; organ systems complete development.