The system that helps all others maintain homeostasis by transporting oxygen, nutrients, carbon dioxide, and wastes is the.
a) circulatory system
b) respiratory system
c) excretory system
d) digestive system
Ans: a) circulatory system
You might also like to view...
Which of the following statements about the growth of the human population is correct?
A. None of the answer options is correct. B. The human population has been growing at the same rate since 1800. C. The human population quadruples in size every century. D. The human population has doubled in size in the past 10 years. E. The human population first reached 1 billion in the 20th century.
Resource partitioning in communities is a strategy that ________
a. allows a species to exploit its fundamental niche b. reduces intraspecific competition c. reduces interspecific competition d. allows a species to maximize competitive exclusion
Four of the five choices listed below are features of
plasma membrane extensions. Select the exception. a. amyloplast b. centriole c. microtubule d. basal body e. 9 + 2 array
Four of the five enzymes listed below are used in genetic engineering. Select the exception
a. ligase b. reverse transcriptase c. restriction d. replicase e. DNA polymerase