About 600 results
Open links in new tab
  1. Human development | Description, Rate, Growth, & Puberty

    Nov 21, 2025 · Human development is the process of growth and change that takes place between birth and maturity. The growth and development of a child consists of a highly …

  2. Human development - Hormones, Growth, Puberty | Britannica

    Nov 21, 2025 · Human development - Hormones, Growth, Puberty: The main hormones concerned with growth are pituitary growth hormone, thyroid hormone, the sex hormones …

  3. Psychological development | Definition, Stages, Examples, & Facts ...

    Dec 19, 2025 · Psychological development, the development of human beings’ cognitive, emotional, intellectual, and social capabilities and functioning over the course of a normal life …

  4. Human development - Growth Data, Measurement, Trends

    Nov 21, 2025 · Many attempts have been made at finding mathematical curves that fit, and thus summarize, human growth data. What is needed is a curve or curves with relatively few …

  5. Adulthood | Development, Aging & Maturity | Britannica

    For full treatment, see human development and human behaviour. Physically, early and middle adulthood are marked by slow, gradual declines in body functioning, which accelerate as old …

  6. Infancy | Definition, Characteristics, Stages, & Facts | Britannica

    Dec 29, 2025 · The physical growth of children is treated in human development. The end of infancy and the onset of childhood are marked by the emergence of speech at one to two …

  7. Prenatal development | Description, Stages, & Timeline | Britannica

    Prenatal development, the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. This process can be divided into three distinct …

  8. Adolescence | Definition, Characteristics, & Stages | Britannica

    3 days ago · Adolescence is the transitional phase of growth and development between childhood and adulthood. The World Health Organization (WHO) defines an adolescent as any person …

  9. Child development | Definition, Stages, & Facts | Britannica

    Nov 18, 2025 · Different tissues and different regions of the body mature at different rates, and the growth and development of a child consists of a highly complex series of changes.

  10. How a Human Embryo Develops into a Fetus | Britannica

    Appearing initially as a tiny mass of cells, it eventually gives rise to the fetus, an obvious human form. In the first days of the embryo’s existence, it journeys along the fallopian tube.