Oxygen is brought into the body by the respiratory system. Which system transports the oxygen to cells where it is needed?
a) lymphatic system
b) immune system
c) circulatory system
d) integumentary system
Ans: c) circulatory system
Biology & Microbiology
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high temperatures
high temperatures
Biology & Microbiology
The above figure represents __________, a group of
parasitic fungi that are killing amphibians around the world. a. Chytrids b. Ascomycetes c. Basidiomycetes d. Glomeromycetes e. Zygomycetes
Biology & Microbiology
Reshaping the cornea using lasers is often used to treat
a. astigmatism. b. retinoblastoma. c. myopia. d. glaucoma. e. cataracts.
Biology & Microbiology
The element to which oxygen (O2) binds in a hemoglobin molecule is ___________
A. nitrogen D. potassium B. carbon E. phosphorous C. iron
Biology & Microbiology