1. AIM: How do the different systems of the body function to keep you alive?
4/15/13
DO NOW:
Pick up your quiz & finish it.
HOMEWORK:
ILS LE REVIEW BOOK
Read p. 1-6
Answer Questions # on p
SCAN-TRONS DUE – 8AM Tomorrow

2. How are multicellular organisms organized?
CellsTissueOrganSystemsOrganism

3. What is the function of the digestive system
Prepares food (nutrients) for absorption into the blood
How are the two types of digestion different?
Mechanical digestion (chewing)
Chemical digestion (enzymes)

4. What is the function of the Respiratory System?
Takes in oxygen to make energy
Removes carbon dioxide
Where does oxygen & carbon dioxide exchange tale place?
Alveoli is the site of gas exchange in the lungs
Alveoli

5. What is the function of the Circulatory System?
Transports materials throughout the body.
What are the components of blood?
Red Blood cells – carry oxygen & CO2
White Blood cells – Fight infections
Platelets – Clot blood (stop bleeding)
Which organ pumps the blood?
Heart – pumps the blood

6. Name the 3 types of blood vessels?
Arteries, Veins, Capillaries
Which blood vessels carry blood away from the heart? Toward the heart?
Arteries – carries blood Away from heart
Veins – carries blood to the heart
In which blood vessels does gas and nutrient exchange take place?
Capillaries – smallest – gas & nutrient exchange takes place with the cell

7. What is the function of the Immune System?
To help protect the body against microorganisms
What are the parts of the immune system?
Skin, mucous, acid, white blood cells, antibodies
What is a vaccine and why are they important?
Vaccinations- weak virus, helps your body produce antibodies
How does an infectious disease differ from a non-infectious disease?
Infectious Disease
Contagious, can catch
Caused by a microorganism
Non infectious Disease
Cannot catch

8. What is the function of the Excretory System?
To remove waste from the body
Identify the organs of the Excretory System?
Kidneys- urine
Lungs-carbon dioxide
Skin- perspire water & salts
Liver- removes chemicals & toxins

9. What is the function of the Nervous System?
Controls your body
Helps your body respond to a stimulus
Identify the organs of the Nervous System.
Brain
Spinal cord
Neurons
Describe the speed of the electrical nerve impulses?
Electrical impulses travel at lightning quick speeds through your neurons.

10. What is the function of the Endocrine System?
Controls responses to internal and external stimuli.
How does the endocrine system control responses
Hormones
Identify the organs of the endocrine.

11. What is the function of the Muscular & Skeletal Systems?
Structure
Support
Locomotion (movement)
Identify the structures that make up the Muscular & Skeletal System.
Muscles
Bones

12. What is the function of the reproductive systems?
Produces sex cells necessary for the production of offspring.
Identify the male and female organs of the reproductive system?
Male- Testes
Female- Ovaries
What are the male and female sex cells?
Male – Sperm
Female – Eggs

13. Summary Questions:
How does mechanical digestion differ from chemical digestion?
How do Arteries differ from veins
Explain how the respiratory and circulatory systems work together to keep us alive.
How does our immune system protect us?
How does our excretory system remove wastes?
How do 8 of the systems of our body function to help us run away from a dog chasing us?