HELPP ASAP this is for science

What is the main function of the circulatory system in multicellular organisms?

to put carbon dioxide into all blood vessels,

to bring oxygen into the lungs

to transport materials throughout the body

to expel waste products from the body

What type of blood vessels can you find in most mammals?

nerves and veins

tendons, ligaments, and capillaries

arteries, capillaries, veins

aorta and ventricle

What is the main reason your heart pumps faster when you exercise?

Urea floating in the plasma needs to be transported for cellular operations

More white blood cells are needed for protection

Blood cells need to transport more oxygen for other cells to conduct cellular operations

More waste needs to be removed more quickly

How are the circulatory systems in animals and plants alike?

Their circulatory systems move blood throughout the organism.

Both plants and animals have a pulmonary circuit.

All plants and animals have a heart.

Their circulatory systems transport nutrients to cells.

Which animal is most likely to have an open circulatory system?

elephant

beetle

cat

human