Unit 1 - A & P Stuff

What is the function of epithelial cells?

• Act as barriers between the external environment, or between organs and fluidfilled cavities
• Provide movement by pulling on bones
• Provide secretions which help to digest food
• Act as the messaging pathway between different areas of the body

Define tissue with regards to anatomy

• A group of structurally and functionally related cells that come together to perform common functions
• Multiple sheets of thin paper used to clean your nose
• A series of different cells in the same area
• The smallest structural and functional unit of an organism

Which type of muscle tissue would line the intestines?

• Smooth
• Cardiac
• Skeletal
• Transitional

Which of the following tissues binds everything together?

• Epithelial
• Connective
• Muscle 
• Nervous

Which of the following tissues lines the interior and exterior of organs?

• Epithelial
• Connective
• Muscle 
• Nervous

Which of the following tissues is made up of cells that contract when stimulated?

• Epithelial
• Connective
• Muscle 
• Nervous

Homeostasis

• 
  allows for a wildly fluctuating internal environment

• is the maintenance of a relatively stable external environment

• 
  is the maintenance of a relatively stable internal environment

Negative feedback loops ...

• respond by making deviations from set point even larger

• are one way an organism can maintain homeostasis.

• are rarely found in healthy individuals

Which of the following tissues is made up of cells that conduct impulses?

• Epithelial
• Connective
• Muscle 
• Nervous

According to the model, what is the response to HIGH blood glucose levels?

• Pancreas (effector) releases insulin (hormone) into blood

• 
  Pancreas (effector) releases glucagon (hormone) into blood