$(a)$ Draw a diagram of the human excretory system and label the following: Aorta,Vena cava,Urinary bladder,Urethra.
$(b)$ List two vital functions of the kidney.
$(b)$ List two vital functions of the kidney.
(N/A) The diagram of the human excretory system is provided in the image.
$(b)$ Two vital functions of the kidneys are:
$(i)$ They maintain the $pH$ and salt concentration of the body constant,and also regulate the water balance.
$(ii)$ They help in the removal of nitrogenous waste products (like urea) that are harmful to the human body.
$(b)$ Two vital functions of the kidneys are:
$(i)$ They maintain the $pH$ and salt concentration of the body constant,and also regulate the water balance.
$(ii)$ They help in the removal of nitrogenous waste products (like urea) that are harmful to the human body.
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$(ii)$ Fermentation takes place in aerobic bacteria.
$(iii)$ Fermentation takes place in mitochondria.
$(iv)$ Fermentation is a form of anaerobic respiration.
$(i)$ Pyruvate can be converted into ethanol and carbon dioxide by yeast.
$(ii)$ Fermentation takes place in aerobic bacteria.
$(iii)$ Fermentation takes place in mitochondria.
$(iv)$ Fermentation is a form of anaerobic respiration.
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