revision q: tissue & integumentary system Flashcards
A tissue is:
similar cells working together to achieve a specific function
List four types of tissue and the general function of that tissue
> epithelia tissue - line and cover
muscle - movement
nervous - control
connective - connect and support
Which type of tissue would you expect in an area of the body exposed to friction
epithelial
Which tissue type forms a barrier to the external environment ?
epithelial
Which tissue type is avascular? (meaning doesn’t contain blood vessels)
epithelial
List and describe three shapes of epithelia tissue
> squamous - cells flattered with a flattened nucleus
cuboidal - cells are square or dice or cube shaped
columnar - cells are taller than they are wide
Which type of epithelial tissue is suited to areas of the body exposed to friction?
stratified squamous epithelium
Which connective tissue stores fat and makes blood cells?
bone
Which type of muscle is voluntary?
skeletal
What is melanin?
it protects from damage by ultraviolet light
What layer of skin does not contain blood vessels
epidermis
What does sebum do?
> moisturises your skin and makes your hair glossy
contains antibacterial substances that help prevent bacteria growth on your skin
helps reduce water loss from the skin
What is the dermis mostly made up of?
connective tissue
