Which part of the brain keeps you breathing?
a) spinal cord
b) pons
c) medulla oblongata
d) cerebrum
Which part of the nervous system will help you to keep balance while riding a bicycle?
a) spinal cord
b) pons
c) medulla oblongata
d) cerebellum
Current Unit Related Extra Material:
Excretion and Excretory system:
ü The system that helps to eliminate waste
materials from the body is called excretory system.
ü The process of removing the waste product from
the body is known as excretion.
ü Excretory system removes non solid wastes
through sweat,urine and exhalation. It also helps to maintain
stability in the body.
ü The main organs of this system are the skin,lungs,
kidney,ureter, urinary bladder, and urethral, etc.
ü The structural and functional unit of kidney is
called nephron.
ü The kidneys are organ that remove wastes by
filtering and cleaning the blood to produce urine. This urine moves
through ureters, is collected in the bladder and excreted by the urethra.
ü Kidney is divided in three regions.
ü 1) Renal cortex is the
outer most regions.
ü 2) Renal medulla is the
middle region.
ü 3) Renal pelvis is the
inner area where urine is drained.
Role of kidneys:
The
kidneys are among the main organs responsible for maintaining fluid
and chemical balances in your body within the limits that support
life.
ü One quarter of your
blood supply passes through your kidney every minute.
ü The most common kidney problems are kidney
stone, high blood pressure, and diabetes.
ü Excretory organs of
human body are called kidneys.
ü The brain of adult human weights
between 1300 and 1400 gm..
ü The brain of cat weight about 30 gm.
ü The weight of dogs about 70 gm.
ü The brain of a dolphin about 1600 gm.
ü The weight of elephant is about 6000
gm.
ü Homeostasis is the
regulation of water, minerals and salts within the body.
ü First artificial kidney was developed by
Abel, Rountee, and turner in 1913.
ü The cleaning of patient blood artificially
with the help of a machine is called dialysis.
Our nervous
system is divided in how many parts?
a) two
b) three
c) four
d) five
