Question

The heart is part of which organ system?

Muscular

Cardiovascular

Skeletal

Digestive

Answer 1

Cardiovascular. Related to blood and heart and blood vessels.

Answer 2

The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

Step-by-step explanation: