two main systems that maintain health and homeostasis

• nervous system

• cardiovascular system

• endocrine system

• lymphatic system

Tags

NGSS.HS-LS1-3

this connective tissue layer covers fascicles of nerves

• perimysium

• perineurium

• endomysium

• endoneurium

the parasympathetic nervous system is known as "fight or flight"

• true

• false

what is lipofuscin?

• the foundation of the cytoskeleton

• orderly arrangement of the rough ER

• a pigment created by lysosomes when they digest worn out organelles

which type of glial cell forms the blood brain barrier?

• astrocyte

• microglia

• oligodendrocytes

• ependymal

unipolar cells are found in the retina

• true

• false

these cells are analogous to Schwann cells of the PNS.

• astrocyte

• astrocyte

• oligodendrocytes

• ependymal

it is possible for axons to be repaired in the PNS.

• true

• false

the depolarization of an action potential involves

• opening of sodium channels

• closing of sodium channels

• opening of potassium channels

• movement of potassium out of the cell

Tags

NGSS.HS-PS2-5

neurotransmitter that can cause increases in sexual desire, desire for food and water, and aggression

• dopamine

• serotonin

• GABA

• glutamate