Transcript Life Science

Life Science
Unit Overview:
Chapter 1 – Structure of Living Things
•Lesson 1 – Cells
•Lesson 2 – From Cells to Organisms
•Lesson 3 – Diversity of Organisms
Chapter 2 – Plant Structures and Functions
•Lesson 1 – Vascular Plants
•Lesson 2 – Plant Transport Systems
•Lesson 3 – Photosynthesis and Respiration
Chapter 3 – Human Body Systems
•Lesson 1 – The Human Body
•Lesson 2 – The Digestive System
•Lesson 3 The Respiratory System
•Lesson 4 – The Circulatory System
•Lesson 5 – The Excretory System
The Excretory System
Lesson Overview:
1) What do we already know? (The Skin)
2) Vocabulary
3) Drawings
4) Main Ideas
5) Review
Human Body Systems: Lesson 5
The Excretory System:
What do we already know?
Page 1
BrainPOP Teaser
1) Why does your body need a circulation
system?
a)
2) What are the parts of the heart?
a)
3) How do blood and blood vessels work?
a)
Human Body Systems: Lesson 5
Page 2
The Excretory System: Vocabulary Part I
1) urinary system: includes your kidneys,
bladder, urethra, and ureters.
2) kidneys: bean shaped organ that filters
waste out of the blood and produce urine.
3) urine: a combination of waste and excess
water.
Human Body Systems: Lesson 5
Page 3
The Excretory System: Vocabulary Part II
4) nephron: separates waste from useful materials in
your blood.
5) Ureters: are the tubes that transports urine from your
kidney to your bladder.
6) bladder: temporarily stores urine until it can be
released.
7) urethra: is the tube that transports urine from your
bladder to the outside world.
Human Body Systems: Lesson 5
Page 4
The Excretory System: Drawings (pg. 157)
Human Body Systems: Lesson 5
Page 5
The Excretory System: Drawings (pg. 158)
Human Body Systems: Lesson 5
Page 6
The Excretory System: Drawings (pg. 161)
Human Body Systems: Lesson 5
Page 7
The Excretory System: Main Ideas
1) What does the excretory system do? (pg.
156-157)
a) It removes liquid waste from your body
 Quick Check (pg. 157)
-Critical Thinking: What makes something
a waste?
a) Waste is material that is not useful or harmful to
your body.
Human Body Systems: Lesson 5
Page 8
The Excretory System: Main Ideas
2) How does your body filter blood? (pg. 158-159)
a) Your liver breaks down toxins in the blood.
Your lungs release carbon dioxide.
 Quick Check (pg. 159)
-Critical Thinking: Why are nephrons
surrounded by capillaries?
a) Capillaries allow waste cells to pass through
them in order to clean the blood.
Human Body Systems: Lesson 5
Page 9
The Excretory System: Main Ideas
3) How does your body eliminate waste?
(pg. 160-161)
a) Through our excretory system through our kidneys,
ureters, bladder and urethra.
b) Through your sweat glands.
c) Through the digestive system.
d) Through exhaling carbon dioxide.
Human Body Systems: Lesson 5
Page 10
The Excretory System: Review
1) Summarize the main ideas
1) Click to Watch!
2) Think, Talk, and Write
Human Body Systems: Lesson 5