| A | B |
|---|
| Respiration | Release of energy in cells |
| Aerobic respiration | Respiration with oxygen |
| Anaerobic respiration | Respiration without oxygen |
| Glucose | Reactant of respiration |
| Carbon dioxide | A waste product of respiration |
| Lactic acid | Builds up in muscles when anaerobic respiration is used |
| Arteries | Blood vessels which go away from the hear |
| Veins | Blood vessels which go towards the heart |
| mmHg | units for blood pressure |
| Systolic blood pressure | maximum pressure the heart produces |
| Diastolic blood pressure | Blood pressure between heart beats |
| Stroke | When a small blood vessel bursts in the brain |
