Animal organ systems Flashcards
detects and respons to stimuli
nervous system
two types of cells
neurons and glial cells
communicate through synapses or membrane-through- membrane junctions that allow rapid transmissions of electrical or chemical signals
neurons
involved in integration of environmental stimuli with appropriate body response
central nervous system
receives impulses from sensory moves
brain
largest part of the brain, interprets and recalls infor
cerebrum
lies below the cerebrum and coordinates movements
cerebellum
control center for breathing, blood pressure and heart beat among other involuntary body functions; also called the brain stem
medulla oblongata
transmits nerve impulses
spinal cord
connects all parts of the body to the central nervous system
peripheral nervous system
regulates the ovaries and testes, stimualtes growth
pituitary gland
affects the activities of the ovaries, secretes and melatonin
pineal
regulates body metabolism
thyroid
balances the calcium in blood
parathyroid
produces antibodies
thymus
regulates blood sugar level
pancreas
regulates blood pressure, salt and water and balancew in the blood, prepares body in action times of emergency
adrenal
influeence female traits
ovaries
influence male traits
testes
maintains the body’s internal balance______; considered the line between nervous systems and endocrine system
homeostasis
Hypothalamus
the system that eliminates the foreign materials in the body
immune system
has no component part of its own
immune system
cells involved in the sexual reproduction
gametes
female gamete
oocyte
male gamete
spermatocyte
alike gametes
isogametes
fusion of gamees, also known as fertilization
syngamy