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Ch 4: Biological Development: Help and Review

About This Chapter

The Biological Development chapter of this Human Growth and Development Help and Review course is the simplest way to master biological development. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of biological development.

Who's it for?

Anyone who needs help learning or mastering human growth and development material will benefit from taking this course. There is no faster or easier way to learn about human growth and development. Among those who would benefit are:

  • Students who have fallen behind in understanding the physiological changes occurring from the prenatal to adult stages of development
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning social science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about biological development
  • Students who struggle to understand their teachers
  • Students who attend schools without extra social science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Biological Development chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Biological Development chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any biological development question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in a biological development unit of a standard human growth and development course. Topics covered include:

  • Germinal, embryonic and fetal stages of development
  • Cephalocaudal, proximodistal, and orthogenetic growth principles
  • Prenatal stages of brain development
  • Hazards to healthy prenatal development
  • Prenatal, perinatal and neonatal environments
  • Potential hazards during the birth process
  • Newborns' developmental milestones
  • Sexual development and maturation of adolescents
  • Physical, psychological and emotional changes in adults

20 Lessons in Chapter 4: Biological Development: Help and Review
Prenatal Stages and Development: Germinal, Embryonic & Fetal Period

1. Prenatal Stages and Development: Germinal, Embryonic & Fetal Period

In the 9 months before a baby is born, there is an enormous amount of prenatal development. In this lesson, you will explore the following stages of prenatal development: the germinal period, the embryonic period, and the fetal period.

Principles of Growth and Development

2. Principles of Growth and Development

Is there a pattern to how human growth and development takes place? This lesson will examine some universal principles of growth and development in order to help you find the answer to this question.

Prenatal Stages of Brain Development

3. Prenatal Stages of Brain Development

The prenatal brain develops at an amazing speed. This lesson provides an overview of this brain development throughout the three trimesters of pregnancy and highlights key stages.

The Prenatal Environment and Hazards to Healthy Prenatal Development

4. The Prenatal Environment and Hazards to Healthy Prenatal Development

In this lesson, learn about the prenatal environment and what can be harmful to prenatal development. Learn about the hazards of drugs, alcohol, tobacco, disease and environmental pollutants during pregnancy.

The Impact of Mother's Emotional and Physical State on the Prenatal Environment

5. The Impact of Mother's Emotional and Physical State on the Prenatal Environment

An unborn child and its mother are connected both physically and emotionally. Learn how prenatal development is affected by both the emotional and physical state of the mother in this lesson.

The Perinatal Environment and Potential Hazards During the Birth Process

6. The Perinatal Environment and Potential Hazards During the Birth Process

What does perinatal mean? What happens during the birth process? What are some things that can go wrong? You will find the answers to these questions and more in this lesson!

The Neonatal Environment: Definition & Apgar Test

7. The Neonatal Environment: Definition & Apgar Test

The neonatal period lasts from birth until four weeks old. Care during this period is essential to healthy development. In this lesson, explore the neonatal environment and learn how the Apgar test is used to assess newborn functioning.

The Newborn: Capabilities, Growth, and Developmental Milestones

8. The Newborn: Capabilities, Growth, and Developmental Milestones

Newborn growth and development is an amazing process! In this lesson, you will discover how babies learn, when they acquire certain abilities, and what reflexes they are born with.

Sexual Development and Maturation of the Adolescent

9. Sexual Development and Maturation of the Adolescent

In this lesson, explore the changes that take place during puberty. You will meet Dick and Jane as they experience these changes, and you will be able to test your knowledge with a quiz at the end.

Physical, Psychological and Emotional Changes in Adults

10. Physical, Psychological and Emotional Changes in Adults

As an adult you establish a unique identity, reach the proverbial midlife crisis, and eventually succumb to old age. In this lesson, learn about the physical, psychological, and emotional changes that take place along this journey.

What Is Physical Health? - Definition, Components & Examples

11. What Is Physical Health? - Definition, Components & Examples

Physical health is critical for overall well-being and is the most visible of the various dimensions of health, which also include social, intellectual, emotional, spiritual and environmental health. Some of the most obvious and serious signs that we are unhealthy appear physically. Addressing this dimension is crucial for anyone attempting to sustain overall health and wellness.

Biological Differences Between the Sexes: Overview

12. Biological Differences Between the Sexes: Overview

What are some of the physiological differences between men and women? This lesson explores some of the differences in biology between the sexes. Read on, and then take a brief quiz to test your knowledge.

Homosexual: Definition & Overview

13. Homosexual: Definition & Overview

This article explores the definition and history of homosexuality from Ancient Greece to now. You may think you know what happened, but this article goes in much deeper detail.

Incest Taboo: Definition & Overview

14. Incest Taboo: Definition & Overview

In America, not only is it illegal to marry one of your siblings, but many people simply have no desire to do so. While that is the most common type of incest that comes to mind, it can include marriages between parents and children. Find out why incest is illegal and why, at a psychological level, many people find incest repulsive.

Transsexual: Definition & Meaning

15. Transsexual: Definition & Meaning

Studying the transgender condition referred to as 'transsexual' can help you understand the complex internal struggle many of these persons face before, during and after transitioning. Explore this condition and test yourself with a quiz.

Embryonic Stage Development: Definition & Concept

16. Embryonic Stage Development: Definition & Concept

There are three basic stages of mammalian gestation: germinal, embryonic, and fetal. This lesson focuses on embryonic development and the stages of growth between implantation and the point when an embryo becomes a fetus.

Human Embryogenesis: Definition & Stages

17. Human Embryogenesis: Definition & Stages

In this lesson, you'll learn about human embryogenesis, the process of reproduction in humans. You'll explore what happens during each stage of embryogenesis, as well as the key terms used to discuss the process.

Pros & Cons of Performance Enhancing Drugs

18. Pros & Cons of Performance Enhancing Drugs

In this lesson, we will introduce anabolic steroids, a kind of performance-enhancing drug. We will then discuss why some people think performance-enhancing drugs should be legal, and why some people do not.

Performance Enhancing Drugs: Definition & Types

19. Performance Enhancing Drugs: Definition & Types

Have you ever wondered what makes a drug a performance enhancing drug? In this lesson, you will learn what a performance enhancing drug is, and the different classes of those drugs.

Sex Education in Elementary Schools

20. Sex Education in Elementary Schools

Sex education in elementary schools is one of the most important ways you can help children establish healthy habits and feel comfortable in their bodies. This lesson gives you a sense of what elementary sex education might look like.

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