The rate at which blood flows through the human body changes in response to many factors. Which statement describes one of these
factors and its effect on blood flow?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Nerve cells are specialized to respond to stimulitrue or false?

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.