tissue types

epithelial tissue

• covers the body and most organs

  • protects against invading pathogens and toxins

  • secretes enzymes

    • absorbs nutrients

nervous tissue

• located in brain, spinal cord, and peripheral nerves

  • sends impulses or electrical messages to nerve endings

muscle tissue

contracts and relaxes

skeletal muscle

• attached to skeleton

• striated

  • voluntary

smooth muscle

• located in walls of hollow organs, walls of blood vessels, and dermis of skin

• involuntary

• peristalsis: wave like contractions

  • one of the STRONGEST muscle tissue

cardiac muscle

• located in wall of heart

• striated

  • involuntary

connective tissue

• supports, protects and gives structures to other tissues and organs in the body

  • stores fat

  • helps move nutrients and other substances betw. tissues and organs

  • help repair dmg tissue

  • most abundant

    • BLOOD IS A CONNECTIVE TISSUE

cartilage

joints, musclesa

adipose

fatbloo

blood

composed of red bood cells, white blood cells, platelets, and plasma

osseous (bone) tissue

dense bones, strong

larger holes, more prone to injury