Which of the following contributes to the atom’s atomic number?

a. proton
b. neutron
c. electron
d. both proton and neutron


a. proton

Anatomy & Physiology

You might also like to view...

This figure shows the muscles of respiration. What muscles are indicated by number 1?

A. External intercostals B. Scalenes C. Internal intercostals D. Diaphragm E. Transversus thoracis

Anatomy & Physiology

Reciprocal innervation

A. is associated with the Golgi tendon reflex. B. stimulates antagonistic muscles. C. results in reduced resistance to the reflex. D. reinforces the withdrawal reflex. E. inhibits the stretch reflex.

Anatomy & Physiology

During repolarization

A. sodium ions move inside the neuron. B. electrons stop moving along the axon. C. potassium ions move outside the neuron. D. chloride ions move outside the neuron.

Anatomy & Physiology

Descending branches of the vagus and splanchnic nerves travel through the ________ plexus

A) cardiac B) pulmonary C) hypogastric D) esophageal E) celiac

Anatomy & Physiology