<span>Epithelial and connective tissues combine to form four types of membranes: mucous membranes (epithelial tissues are moist), serous membranes (line cavities that are not open to the outside environment), cutaneous membranes (skin that covers the surface of the body), and synovial membranes (produce synovial fluid).</span>
The immune system, and the excretory system
(Honestly, all of them work to keep us 'healthy', but I believe these are the ones you're looking for)
SUTURES are synarthrotic joints that have distinct, interlocking, usually irregular edges that increase their strength. Sutures are joints between the bones of the skull.
Synarthroses are immovable joints (synarthrosis) in which bones are separated by a thin layer of fibrous connective tissue.
A suture is a narrow synarthrotic joint that occurs between specific bones of the skull.
These main sutures of the skull include metopic suture, coronal suture, sagittal suture, and lambdoid suture.
Learn more in:
brainly.com/question/3521839?referrer=searchResults
Answer:
Bio Diversity
Explanation:
Top carnivores don't eat everything in the ecosystem which would let the uneaten species able to evolve and become new species (I don't know I'm just guessing sorry if this is wrong)
