Circulatory System
Muscle
Size of your fist
Cells which fight disease in the body.
What is the nasal passage?
Breathe in through now, air enters and goes toward the pharynx.
Membrane that encloses each of the lungs.
What makes blood red
Carries oxygen in the blood
What is the function (role) of the heart?
Pumps blood to body
Exercising makes it stronger
What are capillaries?
Tiny blood vessels that connect arteries and veins.
What is inhale/exhale?
Breathe in
Breathe out
What are alveoli?
Tiny air sacs in the lungs
Take oxygen from air and put into the blood
What is plasma?
Clear, liquid part of the blood that holds proteins, digested food, wastes, and other substances.
What is blood?
Red liquid caarried by blood vessels throughout body
What are arteries?
Red in color
Large blood vessels that carry blood away from heart.
What is oxygen and carbon dioxide?
Colorless gas that we breathe in; need it to live
Colorless gas that we breathe out as waste.
What are the lungs?
Two breathing organs
Gas exchange occurs in the body
What are blood vessels?
Tubes which carry blood throughtout the body
What are valves?
Flaps that stop blood from flowing the wrong way.
What are veins?
Blue in color
Large blood vessels that carry blood to the heart.
What is the Larynx?
Muscle and cartilage where vocal cords are located
Voice box
What is cilia?
Tiny hairs inside yoru air tubes.
Keep dirt away from lungs.
Proteins made by WBCells
React to foreign in body such as germs, bacteria, and viruses
What are red blood cells and what do they carry?
Cells that contain hemoglobin
Carry oxygen in the blood
What are platelets?
Tiny blood cells that stop bleeding
What is the pharynx?
Tube at back of nose and mouth
Allows air to pass into trachea and food into esophagus
Throat
What is the trachea?
Air passage in throat that leads to lungs.
Windpipe
What is the aorta?
Main and largest artery in the body
Carries blood (oxygen) away from left side of the heart to every part of the body except lungs.