bio excretion quiz 1 Flashcards
what are 2 harmful substances produced in your body?
- Hydrogen Peroxide
- Ammonia
define excretion
The elimination from body of toxic substances, waste products of metabolism, and substances in excess of requirements.
What are the 5 human excretory products?
-Carbon dioxide
- urea
- bile pigments
- water
- mineral salts
Kidney waste product
Salt, water & Urea (Alot)
- Urine
Skin waste product
Salt, water & Urea (little)
- sweat
Lungs waste product
Carbon dioxide heat
Liver waste product
Bile pigments
Carbon dioxide is a product of
Aerobic respiration
Carbon dioxide s produced in the _______________ and it diffuses from ______ into _______
mitochondria
cells into blood
carbon dioxide is transported as __________ to the lungs where it is converted back into ___________ before diffusing from the _____
into the ______
hydrogen carbonate ions
carbon dioxide
blood
alveoli
We excrete carbon dioxide when we ________
breathe out
define deamination
Excess amino acids are broken down in the liver into ammonia by chemical reactions
Ammonia would ________ the PH in the ________ of cells, __________ the activity of enzymes
increase
cytoplasm
decreasing
Bile pigment is made from?
the hemoglobin molecules in worn-out red blood cells that have been broken down in the liver
Most of the bile pigment is excreted in ______, which passes from the __________ into the ______
bile
gall bladder
small intestine