Body organization, Tissues & Homeostasis in-class worksheet PDF

Preview

Summary

body organisation, tissues, homeostasis, human physiology...

Description

Week 1 Workshop 1: BODY ORGANIZATION, TISSUES, SKIN & HOMEOSTASIS PART 1: Body Organization BACKGROUND The major features of the human body include a number of cavities, membranes and organ systems composed of related organs. The cells of the body are organised into different tissues that are arranged into organs that form organ systems. In order to communicate effectively about the body, terms have been developed to represent the relative position of the body, imaginary planes and body regions. OBJECTIVES:  Review the organisational pattern of the human body,  Review the organ systems and organs included in each system  Identify the terms used to describe the relative position of body parts, body sections and body regions.

1. Label the levels of organisation

For each item below, select the letter that labels the correct part of the image above: 1.1 Organ system level 1.2 Tissue level 1.3 Organ level 1.4 Organismal level 1.5 Chemical level 1.6 Cellular level

1

2. In the diagram below, label each image with the level of organization that you think it represents

3. Organs are sometimes shared by 2 or more systems- for example, your mouth can be considered a part of both the digestive and the respiratory systems. Discuss in teams and try to name 5 organs that are shared by 2 or more body systems, and identify those body systems. Table 1- organs that are part of more than one organ system Organ

Organ System 1

Organ System 2

2

4. Label the following cavities on the diagram below: thoracic, abdominal, cranial, vertebral, ventral, pelvic, dorsal, abdominopelvic

5. Name the correct body cavity in the space provided a. Cavity within the skull that encases the brain ________________________________ b. Cavity within the vertebral column that encases the spinal cord ____________________________________________________________________ c. Cavity that houses the heart and lungs ______________________________________ d. Cavity that encloses the heart _____________________________________________ e. Cavity that houses organs such as the liver, stomach, intestines, spleen, kidneys, bladder, and reproductive organs _________________________________________________

3

PART 2: TISSUES & SKIN 1. List the four major tissue types and their function.

2. Label the following epithelial tissue types. For each item below, select the letter that labels the correct part of the image 2.1 Simple 2.2 Squamous 2.3 Columnar 2.4 Stratified 2.5 Cuboidal

3. Match each of the following epithelial tissues with a body location where it can be found. Match each item in the left column to the corresponding item in the right column.

3.1 Keratinized stratified squamous 3.2 Transitional 3.3 Simple squamous 3.4 Pseudostratified ciliated columnar 3.5 Simple cuboidal

walls of the air sacs of the lungs and lining blood vessels skin walls of smallest ducts of glands and kidney tubules lines the urinary bladder upper respiratory tract

4

4. Fill out Table- Epithelial Tissue- Classifications Squamous Cuboidal

Columnar

Function

Location

5. Match the following types of connective tissue with the appropriate function/description. Match each item in the left column to the corresponding item in the right column. most atypical connective tissue; extracellular fibers are soluble protein molecules found in liquid plasma; abundant extracellular matrix 5.1 Connective tissue proper 5.2 Cartilage 5.3 Bone tissue 5.4 Blood

loose connective tissue (areolar, adipose, and reticular); dense connective tissue (dense regular, dense irregular, and elastic) supports and protects body structures; stores fat; synthesizes blood cells stands up to both tension and compression; tough and flexible, providing resilient rigidity

6. What are the characteristics of connective tissue and how is it different to epithelial tissue?

7. List 3 functions of the integumentary system

8. Draw and label the 3 layers of the skin and the major components in each.

5

PART 2- Homeostasis 1. What is homeostasis?

2. What are the 3 major components of a feedback system? Define their roles.

3. Label the following diagram with these terms. – – – – –

Receptor Stimulus Response Output Input

– – – – –

Efferent pathway Afferent pathway Receptor detects change Control center Effector

6

4. Using body temperature as an example, explain what is meant by negative feedback. Label the diagram below, starting with an increase in body temperature as occurs with exercise or a drop in body temperature as occurs with exposure to cold weather.

5. a) Sarah Lee has had a fight with her boyfriend and whilst crying, has eaten a tub of ice-cream. Using the diagram below, use your own words to describe what would happen to her blood glucose levels and the actions the body would take to return her blood glucose to normal. b) For the next 2 days, Sarah Lee doesn’t eat much. How might the body respond to this?

7...