Biology Chapter 22 Test Review

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The heart is divided into the left and right halves by the

septum I like to think of sep(arate)tum

The average human lung capacity is about _____ L

4.5

Which of the following happens as a person breathes in?

All of the above (the diaphragm contracts, the muscles between the ribs contract, and air pressure in the lungs lowers)

Which of the following does blood transport in addition to oxygen?

All of these (carbon dioxide, nutrients, waste products)

Why do most people have three loads in the right lung and only two in there left?

Because extra space is allocated to the heart in the chest cavity.

Hemoglobin is a molecule that can carry ________

Both a and b (oxygen and carbon dioxide)

The trachea branches into two ______________ before entering the lungs

Bronchi

Why doesn't drinking carbonated beverages elevate the levels of carbon dioxide in your blood?

Carbon dioxide is being ingested, not inhaled, which means that it is passing through the digestive system, not the respiratory and circulatory systems.

In which respiratory organ are the vocal folds located?

Larynx (remember, silly songs with LARYNX) 😂

Carrying oxygen to cells

Erythrocytes

Sound is produced by the vocal folds, located in the epiglottis

FALSE! That is so wrong! It's the larynx, not the epiglottis!

Both arteries and veins have valves ensure that blood flows in only one direction

False

The heart consists of four chambers: two ventricles that receive blood entering the heart, and two atria that pump blood out of the heart

False

The brains' respiratory center monitors the level of oxygen in the blood

False!

The oxygen transported by blood is used by the body's cells to produce energy from glucose during cellular respiration

True

And whoops, I just realized that Olivia made one too... 😂

Haha

Why is hemoglobin ideally suited as a gas-exchange molecule?

Hemoglobin can carry both oxygen and carbon dioxide at the same time

During expiration, the diaphragm and rib cage muscles relax, causing _______________ pressure in the lungs

Higher

The supplying of oxygen to cells within the body is known as ___________

Inspiration

Why does oxygen in the air in the lungs and move into the bloodstream?

It diffuses from a region of high to a region of low concentration

90% water

plasma

The amount of air that a person can forcefully breathe out after first breathing in as much as they can is known as that person's ____________________

Lung capacity

Which of the following is not a structure or tissue found within the circulatory system?

Lymph node

By volume of the largest component of blood is

plasma

Transporting nutrients and hormones

Plasma

Which loop of the circulatory system transports blood to and from the lungs?

Pulmonary circulation

Which of the following correctly traces the flow of blood to the heart and the lungs?

Right atrium, right ventricle, lungs, left atrium, left ventricle

Deoxygenated blood from the upper body enters the heart through the _______________ vena cava

Superior

Sorry, I can't add the diagrams...

That's totally fine Kara! (Btw, you're so cool!! 😎 Thanks for making this quizlet!!)

Forming clots

platelets

Why/how does air move into the lungs during respiration?

The air flows from an area of higher concentration to an area of lower concentration inside the lungs.

What controls the breathing process?

The nerve cells in the part of the brain, called the respiratory center.

To regulate the body's breathing rate, the brain is respiratory center monitors

The pH of the blood

Why does a trip through the systemic portion of the circulatory system take longer for a red blood cell to complete than a trip through the pulmonary portion???

The trip through the systemic portion covers a longer distance

Which of the following correctly traces the passage of air through the respiratory system when entering the lungs?

Trachea, bronchus, bronchiole, alveolus

Gas exchange in the lungs happens as oxygen and carbon dioxide diffuse from regions of high to low concentration

True

Gas is exchanged between air and the blood in capillaries that surround the alveoli

True

Leukocytes rid the circulatory system antigens

True

Low pressure in the lungs is created by contracting the diaphragm and muscles between the ribs

True

The nasal cavity warms, moisturizes, and filters air before it passes into the rest of the respiratory system

True

Thrombocytes

platelets

Each sequence of relaxation and contraction of the heart is called a(n) _______________

cardiac cycle

Which organ system does the respiratory system rely on for transporting oxygen to the rest of the body?

circulatory

holding hemoglobin

erythrocytes

Which component of the blood increases in volume when a person is sick?

leukocytes

produced by the lymphatic system

leukocytes

In addition to blood cells, list at least 4 things that blood transports throughout the body

•waste •nutrients •hormones •carbon dioxide

Sorry for any typos...

😂 lol it's all good!


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