Circulatory system
The circulatory system is the transport system for endocrine information. While the nervous system uses neurons, the endocrine chemicals and hormones must circulate through the body via blood vessels. Many glands in your body secrete hormones into the blood.
True is the correct answer.
Dog dog dog dog dog dog dog dog dog dog dog
Answer:
B. C-G and A-T
Explanation:
The pairings are adenine and thymine and cytosine and guanine
