100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Excretion and Homeostasis £6.11   Add to cart
Quickly navigate to
Preview
  2.  
  3. Fourth Year / 10th Grade
  4.  
  5. Biology

Book review

Excretion and Homeostasis
 6 views  0 purchase
  • Module
  • Biology
  • Institution
  • Fourth Year / 10th Grade

This document is a complete guide to excretion and homeostasis, curated by straight-A students and knowledgeable teachers, providing useful insights beyond the textbook to set you up for success in your IGCSE exams.

Preview 2 out of 6  pages

Document information

  • July 7, 2024
  • 6
  • 2021/2022
  • Book review
  • Unknown

Subjects

  • excretion
  • homeostasis
  • biology
  • igcse
  • gcse
  • hypothalamus
  • internal conditions
  • kidney
  • deamination
  • straight a

Written for

  • Secondary school
  • Biology
  • 4
All documents for this subject (151)

Seller

avatar-seller
thesmartnotesforthemsmartstudents

Content preview

EXCRETION &
HOMEOSTASIS

, EXCRETION :



↳ and substances
removal of waste
products made from metabolism in excess

↓
requirement.
chemical reactions that

occur in
living cells
.




>
CO2 dissolves blood to form .
acid
If is not excreted weak
Thereby
-




,
in a
,




the of the blood &
lowering pl cells
.




>
During nighttimes Co is waste product for
plants
-




a
, ,




UREA :




↳
a waste
product produced in the liver
,
from the breakdown of excess amino


acids .




UREAT WATER OTHER WASTE PRODUCTS =URINE .




↳ that from the
Ureter o one
pair
of tube
carry
urine
kidneysa bladder

↓ Urethraf tube from the bladder to the outside .
carrying urine

=>
Spinchter muscles of muscles that contract to close tube
ring
: a a .




↓
·
vein




Urethra -
spirenter




HOW UREA IS PRODUCED :
Ganimals cannot store amino acids or proteins

protein digested & absorbed by ileum
·



-




amino acids travel via hepatic portal vein to liver
·




amino acids needed converted to a
protein
·




are



released into the blood to be assimilated cells
; by
part of amino acid
containing energy
-
carbohydrate
·




-

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller thesmartnotesforthemsmartstudents. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £6.11. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£6.11
  • (0)
  Add to cart