The ______ system is a system of ductless glands that secrete hormones directly into the bloodstream.
A) immune
B) cardiovascular
C) endocrine
D) respiratory

Question

Quizplus · Accepted Answer

The endocrine system is specifically responsible for the secretion of hormones directly into the bloodstream. The immune system is responsible for fighting off infections and diseases, the cardiovascular system is responsible for the transportation of blood throughout the body, and the respiratory system is responsible for the exchange of gases between the body and the environment.

The ______ System Is a System of Ductless Glands That