Circulatory and Respiratory system

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coronary artery

a vessel that carries oxygen-rich blood to the heart muscle is called a(n)...

pacemaker

a group of cells that receives messages about the body's oxygen needs and sends out signals to adjust the heart rate is called the...

hypertension

a disorder in which a person's blood pressure is consistently higher than normal is called...

walls are one cell thick

which of the following is NOT a characteristic of a vein? A. valves prevent backward flow of blood B. returns blood to the heart C. walls are one cell thick D. walls are generally thinner than those of arteries

aorta

the largest artery in the body is called the...

right ventricle

which of the following structures pumps blood into arteries leading to the lungs? A. right atrium B. left atrium C. right ventricle D. left ventricle

cholesterol

____ is a waxy, fatlike substance that can build up in arteries

ventricles

the left and right _______ are the 2 lower chambers of the heart

heart attack

a(n) ______ occurs when the blood flow is cut off to a portion of your heart muscle

capillaries

the tiny vessels where oxygen moves from the red blood cells into the body cells are called _____

true

VALVES in the heart help control the direction of blood flow. true or false? if false, correct the capitalized word

ventricles

the force of the heart's contracting ATRIA causes blood pressure. true or false? if false, correct the capitalized word

artery

CAPILLARY walls must be very thick to withstand the high force of blood pumped by the blood. true or false? if false, correct the capitalized word

the capillaries are located in the lungs because the oxygen level of the blood increases when oxygen moves from the lungs into the blood

recall that the human circulatory system has two loops. where in the body are the capillaries located in this loop of the blood-flow pattern? explain

the oxygen level of the blood will remain high in the arteries and will decrease in the capillaries where the oxygen diffuses into the body cells

what will happen to the oxygen level as the blood enters the other loop of the blood-flow pattern? explain

respiration

your body uses glucose and oxygen to produce energy during the process of...

pharynx

a passageway for both air and food is the...

carbon monoxide

a colorless, odorless gas that is produced when tobacco is burned is...

oxygen

which of the following does the respiratory system move into the body? A. oxygen B. glucose C. urea D. urine

cilia

tiny hairlike structures that sweep mucus from the nose into the throat are called...

alveoli

gas exchange occurs in the...

cells

the chemical process called respiration takes place inside the body's _____

diaphragm

air moves into the lungs primarily due to the action of rib muscles and the _______

vocal cords

the _____ are paired organs that produce sound when moving air causes them to vibrate

pharynx

the TRACHEA is a part of both the respiratory system and the digestive system. true or false? if false, correct the capitalized word

true

the passages that direct air into the lungs are the BRONCHI. true or false? if false, correct the capitalized word

Arteries, veins, and capillaries

List the three basic types of blood vessels

Arteries

Which type of blood vessel do you press to check your pulse?

veins

Which type of vessel has valves to prevent back-flow?

capillaries

which vessel type has extremely thin walls?

muscle activity squeezes

In veins, how is blood flow maintained?

away

Arteries carry blood _____ from the heart

return

Veins ______ blood to the heart & lungs

capillaries

_________ are the tiniest of the blood vessels

To withstand the high pulsing blood rush

Why are the walls of arteries so thick?

Nutrients and waste

What substances pass through capillary walls?

Delivers oxygen, nutrients, removal of co2, carries waste away from cells, contains cells that fight disease, and helps regulate temperature

What are the Major functions of the circulatory system?

Heart, Blood, Blood Vessels

Structures of Circulatory System?

First, the right side is smaller because it only pumps to the lungs. The second pump goes throughout the whole body

How is the heart a pump system?

1 of them sends o2 and blood out but the 2nd returns the o2 and blood to the lungs

what does the 2 loop system do?

At the top is the Atrium (atria) and when it gets too much pressure it drops down to the ventricles

Which are the collection chambers?

The heart (pumps in a figure eight formation) goes to the Right Ventricle and up to the lungs, turns around and goes back to the left atria and then to the left ventricle and pumps to the whole body

Blood flow in the heart; describe the process?

diaphragm

What makes breathing possible?

the two functions of respiration are breathing in and out

what are the 2 functions of respiration?

When the blood that's low in oxygen (high in co2) flows through capillary (next to surrounding alveoli) then co2 is picked up and turns into oxygenated blood. This process is meant to make energy

what is the gas exchange process?

pharynx, nose, epiglottis, larynx, lungs, alveoli, trachea, bronchi and diaphragm

Name the words that are part of the respiratory system
pharynx epiglottis femur nose septum larynx liver lungs alveoli trachea bronchi diaphragm

trachea lungs cartilage larynx air

The ____ is a tube about 12 inches long that leads to the ______. It is help open by rings of C-shaped _____. At the top of the trachea are the vocal cords, otherwise known as the ____. Sound is made when _____ passes over these folds of tissue.

lungs alveoli diaphragm airways- trachea bronchus bronchioles

what are the major structures of the respiratory system?

collection and delivery of oxygen also removal of CO2 and foreign matter

what are the major functions of the respiratory system?

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