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what are the functions of the skeleton? Provide body shape Protects organs and soft areas of the body Works with muscles for body movement. How to remember…. No.5 . Where is red marrow found? The flexible tissue found in the interior of bones What is its function?
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what are the functions of the skeleton? Provide body shape Protects organs and soft areas of the body Works with muscles for body movement How to remember… No.5
Where is red marrow found? The flexible tissue found in the interior of bones What is its function? Makes red and white blood cells. How to remember… No.6
What are the functions of the integumentary system? protects the body from various kinds of damage, such as loss of water or abrasion from outside. How to remember… Heat=sweat= homestasis No.7
No.8 Label the diagram
Which 3 outer body parts belong to the integumentary system? Epidermis Dermis hypodermis How to remember…. N0.9
Why is the circulatory system considered a transportation system? Because it transfers blood from the heart to the lungs to the rest of the body How to remember… No.10
What are the charateristics of Eubacteria and Archeabacteria? • Eubacteria: Cell wall of peptidoglycan, live nearly anywhere, unicellular, prokaryote, asexual. • Archaebacteria: Cell wall without peptidogylcan, live in environment without oxygen, prokaryotes, unicellular, asexual.
Explain 3 ways bacteria are important • Help us digest food • Protect us from other harmful bacteria • Used making cheese.
List 7 disease cause by bacteria • Diphtheria • Pertussis • AIDS • Meninggocaccal • Meningitis • Flavobacterium • Tuberculosis
What types of environments do bacteria favor? • Harsh conditions, most don’t live in oxygen.
Describe the structure of a virus • DNA or RNA, protein coat or capsid.
Of what importance is capsid? • Contains proteins that allow the virus to enter the host cell. Without the host cell, the virus can not grow/reproduce.
List at least 5 viral diseases. How can you tell if it’s a virus or bacteria just by looking at the name • HIV • Hepatitis • Influenza • Chicken pox • Small pox
How do viruses cause disease? • Releasing toxins, destroying cells or affecting cellular processes, changing normal proteins into misfolded proteins, inserting prophages into human DNA.
What does a virus and a living cell have in common? • Act to a particular stimuli. • Contain genetic material.
Viruses No cells Non-living No ribosome Bacteria Living Unicellular Present Ribosome In the space below, create a Venn diagram comparing and contrasting viruses and bacteria. • Both • DNA or RNA • No nucleus