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respiration

Study Slideshow

What are the names of the 2 types of respiration?

aerobic and anaerobic

When we do not have enough oxygen, what acid is produced in our muscles?

lactic acid

What is the word equation for aerobic respiration?

glucose + oxygen ---> carbon dioxide + water + energy

Where does the gas exchange happen?

in the alveoli

What is the name for the windpipe?

trachea

When you breathe in, what happened with your chest? And why?

The chest expands, lowering the pressure, forcing the lungs to fill with air

Where do the lungs get carbon dioxide from?

Our body uses oxygen and releases carbon dioxide into the blood. The heart pumps deoxygenated blood to the lungs.

Why do we breathe faster after we do exercise?

because our bodies need more oxygen

How many times does an adult breathe in per minute in relax?

from 15 to 20 times

What is the flow of air so that our bodies can get oxygen?

nose >> trachea >>bronchus>>bronchiole>> alveoli >> blood

They carry blood from the right side of the heart to the lungs.

The pulmonary arteries

What is the name of the artery which leaves the left ventricle and sends blood to the rest of the body?

The aorta

What is the approximate size of our heart?

Our fist

How many liters of blood does an adult have?

5 liters

What are the different kinds of blood vessels?

Arteries, veins, and capillaries

Which kind of blood vessel carries blood back to the heart?

Vein