You notice your friend's mp3 player is turned up so loud you can make out the words to each song-even though she is wearing
earbuds. your friend should turn down the volume to avoid
deafness.
ha
a. conduction
b. cerebral
c. cytotoxic
d. nerve

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

protistas excret ethanol used in the manufacture of vinegar