CCEA A-Level Health and Social Care 0003
Promoting Quality Care
Communication in Health, Social Care and Early Years Settings
Health and Well-Being
Safeguarding Children
Adult Service Users
Holistic Therapies
Understanding the Physiology of Health and Illness
Applied Research
Body Systems and Physiological Disorders
Providing Services
Public Health and Health Promotion
Supporting the Family
Understanding Human Behaviour
Human Nutrition and Health
Understanding the Physiology of Health and Illness
Cell specialisation and the four tissue types
- 3 things to know
- AS 7
Overview
Cell specialisation, four main types of tissue in the human body and main job of epithelial tissue.
What you need to know
Answer each one before you reveal it.
Define a tissue.
Name the four main types of tissue in the human body.
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is meant by cell specialisation?
Model answer
Cell specialisation is the process by which a cell develops a structure suited to one particular job.
- 2
Define a tissue.
Model answer
A tissue is a group of similar cells working together to carry out a particular function.
- 3
Name the four main types of tissue in the human body.
Model answer
The four main tissue types are epithelial tissue, connective tissue, muscle tissue and nervous tissue.
- 4
What is the main job of epithelial tissue?
Model answer
Epithelial tissue covers body surfaces and lines cavities, tubes and glands, protecting the structures beneath and controlling what passes through.
- 5
Where would you find ciliated epithelium, and why is it there?
Model answer
Ciliated epithelium lines the airways, where the hair-like cilia sweep mucus and trapped dust up and away from the lungs.
- 6
Why is the epithelium lining the small intestine only one cell thick?
Model answer
A lining one cell thick keeps the distance short for digested food to cross into the blood, so absorption is rapid.
Other ways to work this
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