Excretory System
Respiratory System
Lymphatic System
Circulatory System
Blood flow and the heart
100

A storage for urine until it can't hold anymore

What is a bladder?

100
These balloon like sacs that inflate and deflate, bringing air into and out of the body.
What are the lungs?
100

Surrounds the cells and directly exchanges with them the substances that they need and produce

What is interstitial fluid?

100
These disc shaped cells transport oxygen from the lungs to the other parts of the body.
What are red blood cells?
100

The liquid part of the blood.

What is plasma?

200

A narrow tube that carries urine out of the body

What is urethra?

200
Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.
What are aveoli?
200

A clear liquid which forms from the interstitial fluid

What is lymph?

200

The tiny blood vessels that connect the veins and arteries to body cells.

What are capillaries?

200

How does blood leave the ventricle in the right half of the heart?

Blood leaves the ventricle through the pulmonary artery.

300

What do the kidneys filter out, and what is that filter system called?

Filters out blood, and the filtering system in the kidney are the nephrons

300
This chemical is in the air we breathe and we need it to survive.
What is oxygen?
300

True or false: the lymphatic system has a driving force.

False, when we move, the skeletal muscles surrounding the lymph vessels contract and lymph is moved around.

300
The chamber in the heart that pushes blood out of the heart and to the other parts of the body.
What is the ventricle?
300

How does blood leave the ventricle in the left half of the heart?

Blood leaves the ventricle through the aorta and from there is distributed throughout the whole body.

400

True or false: the ureters produce urine.

False, yor kidneys do.

400
This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.
What is carbon dioxide?
400

Similar to veins. They collect lymph from the capillaries and flow into the blood circulatory system.

What are lymph vessels?

400

These chambers bring blood into the heart from elsewhere in the body.

What are the atria (singular: Atrium)?

400

Which valves prevent reverse blood flow?

Semilunar valves.

500

List the functions of all the organs in the excretory system

Kidneys-filter blood and makes urine Ureters-narrow tube that transports urine from the kidneys to the urinary bladder Urinary Bladder-stores urine until it is eliminated from the body

500

Air travels from the pharynx to the ________ to the _____ and finally to the ______ where oxygen is exchanged with the blood stream.

trachea, bronchi, alveoli

500

Their function is to filter lymph and produce white blood cells.

What are lymph nodes?

500

Arteries branch off to form these before branching into capillaries.

What are arterioles?

500

In this stage of a heartbeat the atria and the ventricles are relaxed and the semilunar valves are closed.

What is diastole?

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