Circulation Flashcards
Blood
Watery plasma
Red blood cells
Red blood cells
Platelets
Circulation system
Blood arteries
Veins
Capillaries
Heart
Red blood cells
Contain haemoglobin to carry oxygen
White blood cells
Protect the body make antibodies
Platelets
Cloth blood
Functions of blood
Transport (rbc carry oxygen) and protection (WBC)
Arteries
Thin wall
Wide lumen
Valves
Carry blood to the heart
Capillaries
Link arteries and veins. Walls are one cell thick, allows for passage of materials
Cardiac muscle
Muscle in the heart,it never tires
Four chambers of the heart:right and left atria, right and left ventricles
right and left atria,
right and left ventricles
Left ventricle
Thick wall because it pumps blood all around the body
Normal body temperature
37 degrees Celsius
Average resting heart rate
70 bpm
Heart disease is prevented by
Having a good diet
Don’t smoke
Regular exercise
Avoiding stress