circulatory System 1

Human circulatory system consists of

• heart, plasma, and red white cells

• blood, blood vessels, and heart

• heart, lungs, and kidneys

The functions of human circulatory system are ....

• supplies tissues in the body with carbon dioxide and other nutrients, transport hormones, and removes unnecessary waste products.

• supplies the body with tissue, oxygen and other nutrients, transport hormones, and removes unnecessary waste products

• supplies tissues in the body with oxygen and other nutrients, transports hormones, and removes unnecessary waste products.​

The muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system is ....​

• blood vessels

• heart

• blood

Blood is made up of ....

• blood vessels, plasma, platelets, and white blood cells.

• plasma, white blood cells, red blood cells, and blood vessels

• plasma, white blood cells, red blood cells, and platelets

... made up of water that carries food, nutrients, and waste materials.​

• plasma

• white blood cells

• platelets

... help our body to fight germs.​

• white blood cells

• red blood cells

• platelets

... thicken blood and make it clot to stop bleeding​.

• plasma

• red blood cells

• platelets

Some traits of arteries.

• Located in deeper areas in our body.

• Located near the body surface (bluish).

• In case of injury, the blood gushing.

• Have many valves along the vessels.

Veins are blood vessels that carry the blood with carbon dioxide back to the heart.​

• true

• false

It is in the center of your chest, between the two lungs and protected by ribcage. What is it?​

• kidneys

• heart

• blood vessels