Which of the following factors does not influence heart rate
a. skin color
b. age
c. gender
d. body temperature

Fill in the blanks to complete the labels on this model of replicating dna! super

What is a possible consequence of abusing intravenous drug such as heroin? a-hiv transmission b-alcohol poisoning c-improving appetite d-lung cancer

How does the way a persons brain function affect their mental health?