10 Questions
What is the process by which one cell becomes two, four, eight, and so on?
Cell division
What occurs during cell migration?
Cells move to another region and begin to function
What is cell differentiation?
The process by which a less specialized cell becomes a more specialized cell type
What is apoptosis?
The process of programmed cell death
What are the two ways in which the growth of an organ can occur?
Increase in size and increase in number
What is the opposite of apoptosis?
Cell growth
What is the final result of cell differentiation?
A more specialized cell type
Which process is responsible for the increase in number of cells?
Cell division
What is the main difference between cell differentiation and cell migration?
Cell differentiation involves a change in cell type, while cell migration involves a change in cell location
Which of the following is not a process involved in development?
Photosynthesis
Study Notes
Course Objectives
- Name and describe the male and female reproductive organs
- Describe the ovum and the process of ovulation
Quranic Verses
- Allah created humans from a single cell (Quran 12:13)
- Allah created humans from a clot of blood (Quran 13:14)
- Allah created humans from a drop of semen (Quran 12:12)
Growth and Development
- Growth: an increase in size of the body and various organs
- Development: a process of functional and physiological maturation of the individual
- Development includes:
- Increase in skill and capacity to function
- Related to maturation and myelination of the nervous system
- Qualitative aspects
- Development can be divided into:
- Prenatal (before birth)
- Postnatal (after birth) periods
Stages of Prenatal Growth and Development
- Duration of development: approximately 280 days (about 10 lunar months)
- Divided into three stages or periods:
- Stage of zygote (week 1-2)
- Characterized by all cells looking alike
- Stage of embryo (week 3-8)
- Characterized by formation of tissues, organs, and systems
- Stage of fetus (week 9-birth)
- Characterized by differentiation and growth
- Stage of zygote (week 1-2)
Processes of Development
- Cell division: one cell divides into two, four, eight, etc.
- Cell migration: certain cells migrate to another region and begin to function
- Cell differentiation: a less specialized cell becomes a more specialized cell type
- Growth: either due to an increase in size or an increase in number
Apoptosis
- Programmed cell death
Learn about the human reproductive system, including the male and female reproductive organs, ovum, and ovulation process.
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