general characteristics of muscle tissue€¦ · general characteristics of nervous tissue function...

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1. Muscle and Nervous Tissue notes2. Name that muscle tissue review3. Begin Lab (turn in at the end of the block)

Crossword due TuesdayMuscle and Nervous quiz TuesdayID Test Wed.

General Characteristics of Muscle Tissue

Function

• movement

Location

• attached to bones, in the walls of hollow organs, heart

3 main types

• Skeletal

• Smooth

• Cardiac

Distinguishing characteristics

• Contractile

• Fibers pull at the attached end to move body parts

Skeletal Muscle - Characteristics• Most abundant type found in

the body• Striated• Voluntary• Long, nonbranching cylindrical

cells• Multiple nuclei along

perimetersLocation

• Found around cartilage and bone

• Attach muscles to the skeleton

Cardiac Muscle - Key Characteristics• Weak striations• Involuntary• Cylindrical, branching

cells• Have intercalated disks

at end of cells• Centrally located nuclei• Once differentiated -

does not go through mitosis (aka - reproduce)

Location• Heart

Smooth Muscle -Key Characteristics• Involuntary

• Lack striations

• Single, centrally located nuclei

• Cells shorter than skeletal tissue and spindle shaped

• Used in the contraction of the bladder

• Peristalsis of the digestive system

• Constricts or dilates blood vessels

Location

• Found in walls of visceral organs (stomach, esophagus, uterus)

General Characteristics of Nervous TissueFunction

• transmit impulses for coordination, regulation, integration, & sensory reception

Location

• brain, spinal cord, nerves

Characteristics

• cells connect to each other & other body parts

• Cells contain a single nuclei

• Cells are called neurons

• Highly branched

• May have a covering called myelin

• Can’t reproduce once differentiated

Neurons in CNS

• Sense changes in the surroundings

• Transmit impulses along nerve fibers

• Coordinate, regulate, & integrate body functions

• Locations in the body

– Brain

– Spinal Cord

Neuroglial Cells

• Support and bind components of nervous tissue

• Phagocytosis

• Supply nutrients to neurons

• Able to reproduce

What type of tissue? Label the parts

ID BR

1. Kahoot review2. Quiz3. ID reviewHW – study for ID testMoodle has updated HW for Ch. 6(unit exam 1,5,6)

What type of tissue? Label the parts

ID BR

1. ID Test

2. Review so far…

3. HW – Bozeman video wks.