Answer Happy

1 point The detection of rotation of the head and the equalization of air pressure between the external environment and the middle ear are, respectively, functions of structures The Human Ear 0 1 and 3 0 1 and 4 O 2 and 3 O 2 and 4

The interaction of a chemical with an odour-receptor protein first causes the movement of 1 point Olfaction is the sense that enables organisms to distinguish and interpret odours. An action potential is initiated when a chemical interacts with an odour-receptor protein in the cell membrane of a sensory neuron in the nasal cavity. sodium ions into a sensory neuron O sodium ions out of a sensory neuron O Potassium ions into a sensory neruon O Potassium ions out of a sensory neurons