Nerves-✔✔ ________ conduct impulses away from the spinal cord and
brain to muscles and glands for response.
Sensory Receptors-✔✔ ________ send nerve impulses to control centers
in the brain, which then direct effectors (muscles or glands) to become
active.
Schwann Cells-✔✔ ________ are a type of neuroglia that form a
protective coating called myelin sheath on axons.
Endocrine-✔✔ ________ glands secrete hormones that bring about
slower, more lasting changes that keep the internal environment relatively
stable.
Kidneys-✔✔ ________ remove metabolic wastes and regulate blood
volume, salt balance, and pH.
Biologists-✔✔ ________ have categorized animal tissues into four major
types: epithelial, connective, muscular, and nervous.
Epithelium Lining-✔✔ The bladder's ________ helps store urine and
prevents leakage.
Neuron-✔✔ ________ has three parts: dendrites, cell body, and axon.
Fertilization-✔✔ ________ of an egg by a sperm leads to the development
of offspring.
Myelin Sheaths-✔✔ ________ insulate axons and allow nerve impulses to
travel more quickly.
Hemoglobin-✔✔ ________ makes the cells red and binds oxygen to
transport it to cells.
, Transports Nutrients-✔✔ Blood ________ and oxygen to cells and
removes their wastes.
Platelets-✔✔ ________ form a plug that seals a damaged blood vessel
and release molecules that help the clotting process.
Respiratory System-✔✔ The ________ consists of the lungs, trachea, and
other structures that take air to and from the lungs.
Internal Environment-✔✔ The sensor detects a change in the ________
(stimulus)
Cells-✔✔ ________ live in interstitial fluid, which is constantly renewed
with nutrients and gases via exchanges with the blood.
Body Temperature-✔✔ The thermostat for ________ is located in the
hypothalamus.
Negative Feedback Mechanism Prevents-✔✔ A(n) ________ continued
change in the same direction.
Matrix-✔✔ ________ in blood is not made by the cells of connective
tissue.
Thermostat-✔✔ The ________ also has a control center that turns the
furnace off when the room is warm and turns it on when the room is cool.
Home Heating System-✔✔ A(n) ________ is used to illustrate a negative
feedback mechanism.
Negative Feedback Mechanism-✔✔ The ________ is present when the
output of the system dampens the original stimulus.