Challenge ProblemChallenge Problem 1. If a tissue were connecting the femur bone 1. If a tissue were connecting the femur bone
and the tibia bone together, what type is it?and the tibia bone together, what type is it? 2. The spaces in bone and cartilage tissue 2. The spaces in bone and cartilage tissue
where cells lie are called ________.where cells lie are called ________. 3. If you saw a tissue under the microscope 3. If you saw a tissue under the microscope
that had lots of different types of fibers in it that had lots of different types of fibers in it and it was able to soak up excess fluid, what and it was able to soak up excess fluid, what type is it?type is it?
4. If you got a call about a patient who had a 4. If you got a call about a patient who had a severe laceration to her elastic cartilage, severe laceration to her elastic cartilage, where is her injury?where is her injury?
Welcome Back!!Welcome Back!!1. Which of the following is NOT a cell shape? 1. Which of the following is NOT a cell shape?
SquamousSquamous cuboidalcuboidal columnarcolumnar stratifiedstratified
2. Identify the tissue that circulates in our 2. Identify the tissue that circulates in our body and delivers oxygen and carbon body and delivers oxygen and carbon dioxide dioxide
3. Bones are an example of epithelial, 3. Bones are an example of epithelial, connective, or nervous tissue? Choose oneconnective, or nervous tissue? Choose one
4. Identify the function of nervous tissue.4. Identify the function of nervous tissue.
5. Is the image to the right connective, muscle 5. Is the image to the right connective, muscle or nervous? or nervous?
6. What is another name for 6. What is another name for
adipose tissue?adipose tissue?
Muscle TissueMuscle Tissue
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Function is to produce movement
Three types Skeletal muscle
Cardiac muscle
Smooth muscle
Muscle Tissue TypesMuscle Tissue Types
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Skeletal muscle Can be controlled
voluntarily
Cells attach to connective tissue to bones
Cells are striated
Cells have more than one nucleus Figure 3.19b
Muscle Tissue TypesMuscle Tissue Types
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Cardiac muscle Found only in the
heart
Function is to pump blood (involuntary)
Cells attached to other cardiac muscle cells at intercalated disks
Cells are striated
One nucleus per cell Figure 3.19c
Muscle Tissue TypesMuscle Tissue Types
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Smooth muscle Involuntary muscle
Surrounds hollow organs
Attached to other smooth muscle cells
No visible striations
One nucleus per cell Figure 3.19a
Quick QuizQuick Quiz
What type(s) of muscle tissue What type(s) of muscle tissue produce involuntary movement?produce involuntary movement?
What type(s) of muscle tissue are What type(s) of muscle tissue are striated?striated?
What is the function of smooth What is the function of smooth muscle?muscle?
Welcome Back! CPWelcome Back! CP 1. Identify the type of muscle tissue that has 1. Identify the type of muscle tissue that has
intercalated disks.intercalated disks. 2. We are able to move our bodies because of 2. We are able to move our bodies because of
________ muscle.________ muscle. 3. If a person had issues with smooth muscle, 3. If a person had issues with smooth muscle,
where in there body might they be having where in there body might they be having problems?problems?
4. Which two types of muscle tissue have 4. Which two types of muscle tissue have striations?striations?
5. What are striations?5. What are striations? 6. If a person had a torn biceps muscle, which of 6. If a person had a torn biceps muscle, which of
the three types of muscle tissue would it be?the three types of muscle tissue would it be?
Nervous TissueNervous Tissue
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Neurons and nerve support cells
Function is to send impulses to other areas of the body
Irritability
Conductivity Figure 3.20
Tissue RepairTissue Repair
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Regeneration Replacement of destroyed tissue by the
same kind of cells
Fibrosis Repair by dense fibrous connective tissue
(scar tissue)
Determination of method Type of tissue damaged
Severity of the injury
Events in Tissue RepairEvents in Tissue Repair
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Capillaries become very permeable Introduce clotting proteins
Wall off injured area
Formation of granulation tissue
Regeneration of surface epithelium
Regeneration of TissuesRegeneration of Tissues
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Tissues that regenerate easily Epithelial tissue
Fibrous connective tissue and bone
Tissues that regenerate poorly Skeletal muscle
Tissues that are replaced largely with scar tissue Cardiac muscle
Nervous tissue within the brain and spinal cord