The Circulatory System By Mr A Rogan The
The Circulatory System By Mr. A. Rogan
The Circulatory System. Carries substances around the body Our transport system consists of blood
The Circulatory System. Blood carries food, oxygen, wastes, hormones etc. Blood travels in blood vessels (tubes) called Arteries and Veins
The Circulatory System. The heart pumps the blood Approximately 5 L(1 Gallon) of blood in an adult
The Circulatory System.
The Circulatory System. Blood Cells: Red cells carry oxygen White cells fight disease, eat germs, antibodies, prevent germs entering
The Circulatory System. Blood Cells: Platelets help in blood clotting All blood cell are made in the bone
The Circulatory System. Functions of the Blood: Fight disease Transport of oxygen, carbon dioxide, food, wastes etc
The Circulatory System.
The Circulatory System. The Heart: Size of a fist Between the lungs Cardiac Muscle
The Circulatory System. The Heart: 4 Chambers Ventricles are bigger than the Atria
The Circulatory System. The Heart: Septum divides the heart in two Valves stop blood flowing backwards
The Circulatory System. The Heart: Muscular wall is very thick around the left ventricle
The Circulatory System.
The Circulatory System. Artery: No valves Small Lumen Thick muscular wall Carries blood away from the heart
The Circulatory System. Veins: Has Valves Large Lumen Thin muscular wall Carries blood to heart
The Circulatory System. Heart Disease: Arteries become clogged with cholesterol
The Circulatory System. To Avoid Heart Disease: Eat less fat No smoking Avoid stress Regular exercise
The Circulatory System. Heartbeat: Adult: 72 beats per min Boys: 80 – 84 beats per minute Girls: 82 – 89 beats per minute
The Circulatory System. Pulse: Rhythmical throbbing of arteries as blood is propelled through them, by the pumping action of the heart
The Circulatory System. Pulse: Can detect at arteries close to the skin, Temple, Wrist, Groin and Neck
The Circulatory System. Pulse: Lower the pulse rate while at rest, the healthier you are
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