What are the plasma, the red blood cells, the white blood cells, the platelets.
100
What happens at the spot where the alveoli meet the capillaries.
What is oxygen from the lungs, is exchanged for carbon dioxide from the blood.
100
What are the 3 major parts of the circulatory system?
What is the heart, the blood vessels, and the blood.
200
True or False, the valves in the heart can open in two directions.
What is false. The valves in the heart can only open in one direction.
200
Why does the body need to get rid of carbon dioxide?
We need to get rid of it because it is toxic.
200
How is the blood connected to our skeletal system?
They are connected because blood cells are made in our bone marrow, which is at the center of long bones.
200
After oxtgen passes through the nasal cavity it ends up in the ______________??
What is the trachea.
200
This organ helps us speak.
What is the larynx.
300
What are the 3 types of blood vessels.
What are arteries, capillaries, veins.
300
When your diaphragm contracts, are you breathing in or out?
What is breath out.
300
How do platlets help people who are injured?
Platlets help those who are injured because they great clots. When a body is cut, platelets cause stringy fibers to for over the hole, Blood cells then pile up in this twisted tangle of fibers and clog the hole, forming a clot.
300
The bronchial tube splits into the right and left lung, seperate into smaller and smaller tubes called ___________, sort of like twigs on a tree.
What are bronchioli.
300
What happens to your heart rate when you excercise?
The heart rate increases when we excercise.
400
Our heart is like a house with 4 rooms, called chambers, name the 4 chambers of the heart.
What is the right atrium, right ventricle, left atrium, left ventricle.
400
How do the alveoli connect the respiratory and circulatory sysems?
The alveoli are where the respiratory system exchages oxygen and the carbon dioxide with the blood.
400
Why are white blood cells important during "cold and flu" season?
WBCs are important during the winter months especially, because they help kill germs and bacteria that are harmful to the body and make us sick.
400
The alveoli are shaped like what?
What are bunches of grapes?
400
The heart is made of this type of muscle.
What is cardiac muscle.
500
Blood that has been oxygenated flows through which side of the heart?
What is the left side.
500
Name the organs of the respiratory system from largest to smallest.
What is the trachea, the brochial tubes, the bronchioli, and the alveoli.
500
Name 3 facts about plasma.
Plasma is a pale yellow liquid.
Plasma is mostly made of water.
Plasma allows blood to flow.
Plasema carries food, minerals, and hormones.
500
Why can oxygen and carbon dioxide pass between the walls of the alveoli and capillaries?
These gases can pass through because the walls of these organs are only 1 cell thick.
500
What is the role of Red Blood Cells
The role of red blood cells is to carry and deliver oxygen to the body.