The Circulatory System The Heart The Respiratory System Potpourri More Potpourri

100

The Blood
Needed substances are carried to the body's cells by what?

100

Faster
If your pulse rate increases, is your heart beating faster or slower?

100

In the alveoli
Where in the respiratory system does gas exchange occur?

100

Bronchi
What part of the respiratory system divides into smaller and smaller tubes in a pattern that resembles branches of a tree?

100

Nose, pharynx, trachea, bronchi
As air travels from the outside environment into the lungs, what organs does it pass through?

200

Red Blood Cells
What component (part) of blood carries oxygen to the body's cells?

200

it strengthens the heart muscle
Exercise is important for cardiovascular health because...

200

oxygen
The role fo the respirtory system is to bring what substance into the body?

200

about the size of your fist
How big is your heart?

200

lungs
What is the main organ of respiration?

300

Heart, Blood, Vessels
What are the main organs of the circulatory system?

300

valve
What structure of the heart prevents blood from flowing backward?

300

oxygen
During gas exchange, what substance moves from the alveoli into the blood?

300

bright red
What color is oxygenated blood?

300

alveoli
What is the name for the small grape-like structures at the end of the bronchi?

400

Arteries, veins, capillaries
What are the three types of vessels?

400

Out of the heart (to the lungs or to the body)
When the ventricles contract, where is blood pumped?

400

the diaphragm
What is the dome shaped muscle that plays an important role in breathing?

400

A, B, AB and O
What are the four main blood types?

400

size, health conditions like asthma, amount of physical exercise, smoking
What factors can influence lung capacity?

500

Plasma, white blood cells, red blood cells, platelets
What are the four components of blood?

500

left atrium, left ventricle, right atrium, right ventricle
What are the four chambers of the heart?

500

By destroying lung tissue
How can smoking lead to emphysema?

500

Type O
What type of blood is known as the "Universal Donor"

500

lungs->left atrium->left ventricle->cells of the body->right atrium->right ventricle->lungs
Describe the path oxygenated blood takes as it leaves the lungs

Circulatory and Respiratory System

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