Which of these is a function of the circulatory system?
a. removing waste from tissues
b. delivering carbon dioxide to cells for cellular respiration
c. transferring impulses from one cell to another
d. all of the above

Name the organs of humanelemintary canal.

What is the compliment dna strand to the following sequence: ttgactaggcta

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!