University:
California State University, Northridge
Course:
BIOL 211 | Human Anatomy
Academic year:

2021
Views:

49

Pages:

4
Author:

do3ran7ut

• The Urinary System Kidney Structure and Function: • % 25__ Can hold up to __ of the body's blood at any given • Renal arteries carry blood from the _ _ aurta _ _ _ to the _ _ _ __ • As the blood travels, wastes are filtered by the _ _ _ time Kidneys _ _ _ _ and moved to the Kidneys -Urinary - - - - _bladder _ _ _ _ by _ureters _ _ _ _ __ • Ureters __ _ _ _ _ _ _ are tubes that move urine from kidneys to the bladder Avalve/sphincter muscle at the base of the bladder will allow urine to be stored. • At 200ml, stretch receptors on the bladder send signal to a • At 400ml, more • At 600ml, voluntary receptors control is are activated - more urgent brain message lost Nephrons: The kidney is made up of nephrons and they are responsible for the function of the kidney. • Each nephron is supplied with blood by the _afferent _______ _ _ _ _ __ arterioles • The afferent arterioles branch apart and form a _ _ _ called the • • • • • stretch • the glomerulus --- -- -- - high_ _ pressure capillary bed, Efferent arterioles carry blood _ _ _ _ _ _ from the glomerulus away The glomerulus is surrounded by the _ Bowman's ______ _ _ ___, which collects capsule waste products to be _ released _ _ _ _ _ _ into _urine _ _ _ __ Bowman's capsule gradually forms the _ _ _ _ _ _ _ _ ____, which proximal _tubule carries urine to the loop of Henle (found in the medulla of the kidney) Urine then travels from the loop of Henle toward the _ ______ duct _ __ collecting via the distal tubule -- ----- • The collecting duct is what collects urine from all of the _ nephrons _ _ _ _ _ in the kidney Student Worksheet LSIVI 7.4-3 The Nephron °'"i 5\omtru\~S /BoW(($Jins 0,:.\ c;;. f K'..ren\.. '> C. C. e, {,'() \- °' <' \-t.r :01,e, l ' cl) o..r\.t>(--,'ole, r - - - - - - - - - 4 r - " 7 . : a ~ . -'\ pro )l; rYla \ r-tA b~ (e, ~\J~s6\ t""'b\A\t (-) c,o\\ed-;'j al1Ad· 0 C~f)S\,\ , ~\ CAr\-e.x °' h) l'Y\cJ v1\ 1 L )toop o{: H-e(\le j ) <3 l o fY1 e r\A \ u S ~) °'~~"en~ o. r\-e,{',--cJ I e l) ~~,c-e,n~ Ci\ r\-e,,, o le_ r'Y$ ~WmCAnr,5 CO\f)S'U te Diagram of a nephron, showing close-up of the glomerulus and Bowman's capsule 196 Chapter 7 Maintaining an [ntemal Balance r b)-______. e,)--,.___,.. .--- e.) 7: --- -·- w --- --- -•- Student Worksheet Solutions LSM 7.4-2 The Human Urinary System, Solution Kld.,ey ~'r<~ri °'\ "t..,'f"\ Y\" K. ,c) N.-j ~-.. .::a -- It..) 1) C) , "'f<.r, o .. ~"°' j),(.X )(A\ vt 1 "t..."'"' \ co rr~ o-c r'r °' l '\ \A f't, ~e.r Y<'\) \o\r,o\c) ,(_i ('"\) v-<~ty\f" O\ ~,m ed u\\ C\ o<" R.o a.\ Female Bladder u\C\ b'\ rt..no\ c.or K>< (c) ~° '\ ' ) r•e,;( \O.\ °'c--tt~.: > ↑ - returned fluid fluid materials - -M are tubule is to the goes through filtered from by via blood kidney/minute the the blood back mephions into the