Bye guys i am leaving
no one is talking with me ​

Which part of cellular respiration must occur before any of the other steps can occur

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

This is a biological reaction due to a stimulus. i need this quickly !