Question

Which of the following is not an important function of the vertebrate circulatory system

• A. transport of nutrients and respiratory gases
• B. regulation of body temperature
• C. protection of the body by circulating antibodies
• D. removal of waste products for excretion from the body

Answer 1

The correct option is D

removal of waste products for excretion from the body

The correct option is D.

Explanation of the correct option :

1. The organ system of human beings (and other animals) which is responsible for the transport of materials inside the body is called the circulatory system.
2. The circulatory system of vertebrates is responsible for delivering oxygen to tissues and removing waste products such as carbon dioxide.
3. They also provide a variety of functions, such as; it provides nutrients to different tissues and organs of the body.
4. It also deals with the respiratory organs for gas exchange and protects cells from infections.
5. It also controls body temperature, blood, and lymph, which are all parts of the circulatory system and include antibodies and immune cells that protect the body from infection.

Final answer: Removal of waste products for excretion from the body is not an important function of the vertebrate circulatory system.