Unformatted text preview: _rmediat_e effects Long-term effects Improved self-image, cognitive functioning.
and ability to manage stress; enhanced
learning, memory, energy level, and sieem
decreased depression. anxiety, and risk for stroke. Increased heart size and resting stroke volume
lower resting heart rate. Risk of heart disease
and heart attack signiﬁcantlylreduced. Increased levels of neurotransmitters: constant
or slightly increased blood flow to the brain. Increased heart rate and stroke volume (amount
of blood pumped per beat). improved ability to extract oxygen from air
during exercise. Reduced risk of colds and
upper respiratory tract infections. Increased pulmonary ventilation (amount of air
breathed into the body per minute). More air
is taken into the lungs with each breath and breathin rate increases. ‘
' g l—-- lncreased sweat rate and earlier onset of K‘ _ , sweating, helping to cool the body. x Decreased body fat. Reduced risk of colon cancer and certain
other toms of cancer. Reduced blood ﬂow to the stomach, intestines,
liver, and kidneys, resulting in less activity in the
digestive tract and less urine output. Increased energy (ATP) production.
Increased number and size of mitochondria in muscle cells; increased amount of stored
glycogen: increased myoglobin content;
fuel. Ali of dress changes adow for greater
energy pmdrcn’on and poner output greInsulin
sensitivity remains constant or improves,
helping to prevent type 2 diabetes Fat-free
mass may also Increase somewhat. increased density and breaking strength of
bones. ligaments, and team reduced risk
for low-back pain, injuries, and osteoporosis. Increased blood flow to the skin and increased .
sweating to help maintain a safe body temperature. Increased systolic blood pressure: increased blood
ﬂow and oxygen transport to working skeletal
muscles and the heart; increased oxygen
consumption. As exercise intercity increases.
biood levels of lactic acid increase Increased blood volume and capillary density;
higher levels of high-density lipoproteins
(HDL) and lower leveis of triglycerides: lower resting blood p;ressure increased abiirty of
blood vessels to secrete nitric code: and Halo-3A mﬂWMd-wmmm
etmranyciuoricﬁeues andirrnroredpsychologicalandemotionalwell-being ...
View Full Document
- Fall '09