Download Science 8 Worksheet #1

Science 8 Worksheet 2.1
Name____________________________
Date ____________________________
Chapter 2: Human Body Systems Work
Independently and Together
PART 1- BODY SYSTEMS
Chapter Opener (p. 52-53)
1. In this chapter, you will:
 investigate how different human body systems function
___independently______ and _____together_______
 examine the structure and function of these 4 systems:
o ________Digestive________
o _______Excretory_____
o ________Circulatory_________
o _________Respiratory______
2.1 Body Systems (p. 54-63)
THE CHARACTERISTICS OF SYSTEMS
2. Systems have the following THREE characteristics:
o _______Individuals parts working together as a whole_
o _Part of the system is removed or damage, system won’t
work___
o _______Connected to one or more systems.__
3. What is an example of more than one system WORKING
together?______Body system circulatory system involves the
heart and digestive system – excretory - respiratory _____
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INTRODUCING THE SYSTEMS OF THE HUMAN BODY
4. Name and describe the ELEVEN systems of the human body.
SYSTEM
DESCRIPTION
Circulatory sys
Transports blood, nutrients, gases and waste
Digestive sys
Respiratory sys
Excretory sys
Immune sys
Endocrine sys
Reproductive
Takes in food, breaks down food and absorbs
nutrients and eliminates waste
Breathing, distributes gases in lungs and
tissues
Removes liquid and gas waste from the body
Defends the body against infections
Hormones
Reproductive organs for producing offspring
Integumentary sys
Skin, hair, nails, water proof protective
barrier around the body
Skeletal sys
Bones, supports, protects and works
muscular system
Muscular
Muscle that work with bones to move the
body, muscular tissue that move organs
(kinda of)
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Nervous
Detect changes in the environment and
carries out a response
ORGAN SYSTEMS: PUTTING IT ALL TOGETHER
5. Define organ system
__A system that includes one or more organs____________
6. Define tissue
A group of cells that have the same structure and functions_
7. Define organ
_A group a tissues that work together to perform a task__
8. Refer to Figure 2.4 on page 58 of your textbook and place
the following terms in order from simplest to most complex
on the lines below.
organ system
tissue
organism
cell
organ
_____cell____ →____tissue___ →____organ____→___Organ system__→ ___organism____
TISSUES: THE FOUNDATION OF BODY SYSTEMS
9. Using table 2.1 on page 59, name and describe the FOUR
types of tissue found in the human body.
TISSUE TYPE
Muscle
Nerve
Connective
DESCRIPTION
Skeletal muscle tissue – body movement
Muscular tissue – cardiac (heart
pumping)
Transfers signals to the body and tells
the body how to respond to changes in
the internal and external
Holds together such as skeletal and
3
muscular tissue
epithelial
Covers surface of organ, body and
covers inside body parts
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