circulatry system

What is the main function of the circulatory system?

• to control the blood flow around the body

• to supply blood to the body

• to help us to breathe

Which of the following is not part of the circulatory system?

• arteries

• stomach

• heart

• veins

What is the smallest blood vessel?

• Arteries

• Capillaries

• Veins

The circulatory system carries _______, oxygen, and nutrients throughout our body

• vitamins

• blood

The oxygen from the _______ is transported throughout the body into all of the body’s cells by the circulatory system

• 
• 

Which of the following best describes a person’s heart beat rate?

• It is the number of minutes the heart pumps blood into the body over a period of time.

• It is the number of times the heart pumps blood into the body every minute.

The circulatory system works with other systems of the body.

• true

• false

Tags

NGSS.MS-LS1-3

Which of the following is the location of the heart in the body?

• Between the lungs, just to the left side of the middle of the chest cavity.

• Between the ribs, just to the right side of the middle of the chest cavity.

The human heart beats about 60 – 100 times per _______

• second

• hour

• minute