B-Kidneys
The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.
Sensory peripheral nervous system and the motor peripheral nervous system
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.
Hope this helps!!
Answer:
1.3
the..... are only found in animal cells
Because when baking soda react with vinegar It will produce CO2 which is phase gas ..And this CO2 will evaporate
NaHCO3(s) + CH3COOH(aq) → CH3COONA(aq) + CO2(g) + H2O(l)
so the mass wil decrease because CO2 will evaporate
