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Describe the various functions of epithelial tissue.

The Tissue Types of the Human Body

The human body is a complex structure. Yet, despite its complexity, it consists of only four tissue types; epithelial, connective, muscle, and nervous tissues. Each has their own unique characteristics and function. During this week’s Discussion, you will focus on the epithelial and muscle tissues.

Respond to the two topics below for this unit’s Discussion. Then, throughout the week, review your classmates’ posts and comment as appropriate on at least two other posts per the Discussion Guidelines below:

1)    Epithelial tissue is one of the four tissue types of the human body.

 

a)    Describe the various functions of epithelial tissue. In your post, describe the multiple morphologies (shapes) and structures of epithelial tissue. Provide an example of an organ in the human body that has epithelial tissue.

 

b)    What is the cause of acne vulgaris? If your teenage son had a case of acne vulgaris, what treatments would you recommend?

 

 

 

2)    There are three types of muscle tissues; skeletal, smooth, and cardiac.

 

a)    What are the functions of each of these muscle types?

 

b)    What are the similarities and differences between the structure and function of skeletal, smooth, and cardiac muscle?

 

c)    Provide examples of organs that contain smooth muscle, skeletal muscle, and cardiac muscle.

 

d)    A 65-year-old man went to the local emergency room complaining of tightness in his chest, shortness of breath and heartburn. He is diagnosed with a myocardial infarction.

 

–        What are the causes of a myocardial infarction?

 

–        How does it affect heart tissue?

 

–        Does the affected heart tissue recover? What is the long-term consequence?

 

–        What life style changes do you recommend to avoid a myocardial infarction?

 

 

 

refernce

 

 

 

 

 

 

 

 

 

 

 

this my other class teaching across

 

 

 

Measurement

 

  • Identify scientific changes that early childhood children can observe using their senses (for example, snow melting, a baby growing into a toddler, etc.) and answer the following questions:
  • Describe ways that children can keep track of these changes.
  • Summarize why you think these forms of measurement are helpful for children to capture, record, and preserve changes.
  • Explain how using their senses help children to understand measurement.

Watch the following video:

TheQuirkles. (2011, Jan 28). Easy Science Experiments for Children – Fun Color Mixing Activities. [Video file]. Retrieved from  http://www.youtube.com/watch?v=reSG-olvIPk&feature=results_video&playnext=1&list=PL2DA6D99A374923F1

  • Share what observations children will make.
  • Explain what they will be able to measure from this experiment.

 

 

 

 

 

 

this the tip for the teaching class the way she want it

Tips for this post! Please read before posting

 

Here’s another 4+ part discussion question, so please take your time to provide comprehensive responses to each part.  You should number each part of your response or at least separate each part with a space.

Part 1: This part is easy!  Think of the MANY different observations (visually) children can make about changes in their immediate world as well as how they might use their other senses to  experience the change.  Identify what the change is in this part and what senses (possibly more than 1?) that they are using.

Part 2: How would you help children to track these changes?  Can they keep track of them with your support?  Is there a way for them to keep track entirely on their own? (Always keep in mind appropriate expectations for children—don’t expect preschoolers to be able to write a journal entry!)

Part 3: Another straightforward question—what have you learned from this week’s reading? Why is measurement (in any form) so very important as a foundation for scientific/mathematical thinking/concepts?

Part 4: Why is it important for young children to use as many of their senses as possible?

And then this last part, is just a fun video for ideas of how to do a fun color mixing activity where they can practice observation skills and apply some measurement concepts.  Discuss observations and measurements children might make with this experiment.

reference

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