Answer:
pituitary gland-growth hormone
thyroid gland- thyroxine
adrenal gland- adrenalin
pancrease- insulin
ovary-estrogen
testis-testosterone
Explanation:
Neck length is what is going to change so that is the Independent Variable. The Dependent Variable is the Survival Rate.
Hope this helps
Because of the medication that people put in their head so that they can cure cancer