P wave
Pacemaker potential
Papillary muscle
Paracellular pathway
Parasympathetic
Parasympathetic nervous system
Parathyroid hormone
Parietal layer
Parietal pleura
Partial pressure
Passive channels
Passive transport
PCO2
Pedicel
Perimysium
Peripheral nervous system
Peripheral resistance
Peritubular capillary
Permeability
pH
pH electrode
Pharynx
Phosphate group
Phosphorylation
Pinocytosis
Pituitary gland
Plasma
Plasma membrane
Plateau
Pleurae
Pleural cavity
Pleural fluid
Pneumothorax
PO2
Podocyte
Polarized
Polypeptide
Pons
Positive feedback loop
Posterior pituitary
Postganglionic neuron
Postsynaptic neuron
Potassium channel
Potential energy
Power stroke
Precapillary sphincter
Preganglionic neuron
Presynaptic neuron
Primary active transport
Primary bronchus
Primary convoluted tubule
Principal cells
Propagation
Proprioceptors
Proximal convoluted tubule (PCT)
PSI
Pulmonary arteries
Pulmonary capillary
Pulmonary circuit
Pulmonary semilunar valve
Pulmonary trunk
Pulmonary veins
Pulse pressure
Purkinje fibers
Pyruvic acid