Which is an example of a response to a stimulus
a. loss of water from the body as a result of excess sweating
b. the thick fur on an animal to protect it from cold weather
c. an increasing heart rate when blood oxygen levels drop
d. the presence of allergens in the air

Which nutritional supplement is correctly paired with the health issue it addresses? which nutritional supplement is correctly paired with the health issue it addresses? vitamin c supplementation prevent depression. calcium supplementation increases iq. vitamin e supplementation prevent birth defects. vitamin b12 can vegans maintain health?