This system is a collection of glands that secrete hormones into the circulatory system to be delivered to the body’s vital organs.
a. Respiratory
b. Circulatory
c. Nervous
d. Endocrine
d. Endocrine
The correct answer is d. Endocrine.
The correct answer is d. Endocrine.
To arrive at this answer, you can use a process of elimination by considering the functions and characteristics of each of the systems mentioned.
a. The respiratory system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment. It does not secrete hormones.
b. The circulatory system, also known as the cardiovascular system, transports blood, nutrients, oxygen, and waste products around the body. While it plays a role in distributing hormones, it does not secrete them.
c. The nervous system is responsible for transmitting signals throughout the body and coordinating its actions. It does not secrete hormones either.
d. The endocrine system consists of various glands, such as the thyroid, pituitary, adrenal, and reproductive glands, which produce and secrete hormones into the bloodstream. These hormones are then delivered to target organs and tissues, regulating many bodily functions and processes.
Hence, the correct answer is d. Endocrine.