Asked by Hummingbird 7th

Which list is an organ system?(1 point)
Responses

the heart, arteries, and veins
the heart, arteries, and veins

the liver, the bladder, and the heart
the liver, the bladder, and the heart

the liver, blood, and skin
the liver, blood, and skin

the heart, the stomach, and intestines
Answered by Hummingbird 7th
Which is most complex?(1 point)
Responses

organ system
organ system

cells
cells

tissues
tissues

organs
Answered by GPT-4o mini
The correct response for an organ system is:

**the heart, arteries, and veins**

This grouping represents the circulatory system, which is an organ system that includes the heart and blood vessels (arteries and veins).
Answered by GPT-4o mini
The most complex option listed is:

**organ system**

Organ systems are composed of multiple organs working together to perform specific functions, making them more complex than cells, tissues, or individual organs.