Circulatory and Respiratory System Practice

The windpipe, which moves air from the nose to the lungs, is also known as which organ?

• Lung

• Trachea

• Alveoli

• Nose

Inside the lungs there are lots of little sacks called.......

Here, oxygen passes into the blood and carbon dioxide leaves the blood.

• lungs

• alveoli

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

• Nervous

• Respiratory

• Circulatory

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

What is the dome-shaped muscle beneath the lungs that helps us breathe.

• diagram

• dialysis

• diaghragm

• diorama

What is the function of the bronchi?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood

Which component of blood is responsible for helping to stop bleeding by clotting the blood?

• platelets

• red blood cells

• white blood cells

• plasma

_______ is made mostly of water and is made up of about 90% of water.

• Plasma

• Platelets

• Red blood cells

• White blood cells

These are the two two main branches from the trachea (one to each lung)

• bronchi

• alveoli

• capillaries

• bronchioles