Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Do mammals have a closed or open circulatory system?

0
Posted

Do mammals have a closed or open circulatory system?

0

Humans, as well as other vertebrates, have a closed cardiovascular system (meaning that the blood never leaves the network of arteries, veins and capillaries).

Related Questions

What is your question?

*Sadly, we had to bring back ads too. Hopefully more targeted.

Experts123