A system is a group of related parts with specific roles that work together to achieve an observed result. Which of the followin

Question

3 years ago

13

A system is a group of related parts with specific roles that work together to achieve an observed result. Which of the followin

g are the main parts of the circulatory system?
A.
red blood cells and white blood cells
B.
the human body and its organ systems
C.
the brain and spinal cord
D.
heart, blood, and blood vessels

Biology

2 answers:

gavmur [86] · Answer 1 · 2022-03-25T02:53:55+03:00

gavmur [86]3 years ago

6 0

Answer:

D. heart , blood ,and blood vessels

Maru [420] · Answer 2 · 2022-03-25T03:56:31+03:00

Maru [420]3 years ago

3 0

Answer:

D.

heart,blood,and blood vessels