The plasma membrane has a double layer of phospholipids with proteins dispersed throughout. These proteins help increase the durability of the membrane, as well as help with filtration.
The best answer - dermal tissue.
Dermal tissue in plants forms the first line of defense against physical damage and infection from the outside world.
Dermal tissue covers the outside of the plant, except in woody shrubs and trees, which have bark. The most common cell type in dermal tissue is epidermal cell. Generally, a thin waxy layer called a cuticle covers the epidermal cells and protects them.
Other cells in the dermal tissue are guard cells that surround the stomata, which are openings in the leaves. Gases enter and leave the dermal tissue through the stomata.
The Emergency Severity Index is a 5 level emergency department triage being maintained by the AHRQ. Among the victims of the car accident here is the order in which they should be seen by a healthcare provider. First, an adult with a laceration with severe bleeding. Second, an adult having 30 breaths per minute respiration with a history of asthma. Third, an older adult confuse yet with normal vital signs and lastly is a child with lacerations on arms as well as in the legs.