Body functions to maintain a stable internal environment is the process of:
homeostasis
The liquid component of blood that transports nutrients, proteins, ions, hormones, and cell waste is:
plasma
The two upper chambers that collect blood returning to the heart are:
atria
The neuron component that conducts an electrical charge to the synaptic terminal is the:
axon
The type of muscle that allows for movement of the body and are connected to bones by tendons are:
skeletal muscles
Too much of a stimulus causing a reduction/dampening of stimulus is:
negative feedback
The blood component that contains hemoglobin, the protein that binds oxygen are the:
red blood cells
When the left ventricle contracts, it sends oxygenated blood into the: aorta
aorta
Chemicals that can affect behavior and are released and re-absorbed at the neuron synapse are:
neurotransmitters
The two thick and think filament proteins that comprise the myofibrils of muscle fibers are: actin and myosin
actin and myosin
Animals that use metabolism to maintain body temperature are:
endotherms
The thick walled, highly elastic blood vessels that carry blood away from the heart are:
arteries
If blood moves backward through heart valves, the abnormal sound is called a:
heart murmur
The ability of the brain to alter physiology through use by increasing the complexity of connections is:
neural plasticity
In addition to anchoring muscles to allow movement and protection of organs, bone tissue provides:
red blood cells
Widening of blood vessels near the skin surface to increase blood flow to cool the body is:
vasodilation
The thin-walled blood vessels that allow substances to diffuse into and out of tissues are:
capillaries
. The heart component that contracts and forces blood into the pulmonary arteries and on to the lungs for re-oxygenation is the:
right ventricle
The eye tissue where light energy is converted to an action potential and sends a signal to the optic nerve is the:
retina
The fibrous connecting tissue that covers the outer bone surface and connects bones, sometimes torn through exertion are:
ligaments
Daily physiological state of decreased activity and metabolism to conserve energy is:
torpor
The health condition when blood lacks adequate healthy red blood cells, causing reduced oxygen to body tissues is:
iron deficiency anemia
Damage to nervous tissue in the brain due to a rupture or blockage of arteries in the head is:
stroke
The small air sacs at the tips of bronchioles where O2/CO2 exchange in the lungs are the:
alveoli
Bone marrow is composed of yellow marrow which can provide energy and spongy marrow which produces:
red blood cells