Organization of Animal Bodies and Homeostasis Flashcards
What are the 3 layers of the zygote?
- endoderm: innermost layer
- mesoderm: middle layer
- ectoderm: outer layer
What are the 4 types of tissues?
- epithelial
- connective
- muscle
- nerve
What is epithelial tissue?
everything that covers a surface that faces outside of the body
What germ layer does epithelial tissue come from?
any of the three layers
What is a single line of epithelial tissue called?
simple
What is multiple layers of epithelial tissue called?
stratified
What does a squamous epithelium mean?
squished
What does a cuboidal epithelium mean?
cube shaped
What does a columnar epithelium mean?
column like
What is connective tissue?
supports, protects, and gives structure to other tissues and organs in the body
What germ layer is connective tissue produced in?
mesoderm
What does connective tissue have to be embedded in?
matrix
What are the 3 types of connective tissue?
loose, dense, and special
What is loose connective tissue?
where fat cells are stored
What is dense connective tissue?
makes tendons
What is special connective tissue?
makes up blood, bone, and cartilage
What is muscle tissue?
tissue that is specialized for contractions
What two filaments help with contractions?
actin and myosin
What are the three types of muscle tissues?
- smooth
- skeletal
- cardiac