Protons

question 13

Multiple Choice

Protons

• A)are about 2000 times more massive than electrons.
• B)are about 2000 times less massive than electrons.
• C)have 2000 times the charge of electrons.
• D)have 1/2000 the charge of electrons.
• E)can have any amount of charge.

---

Definitions:

Capillaries

The smallest blood vessels in the body which facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and the tissues.

Velocity

A physical vector quantity that denotes the rate of change of position of an object with respect to time, including both speed and direction.

Venae Cavae

The two large veins that return deoxygenated blood to the heart; consisting of the superior and inferior vena cava.

Blood Pressure

Blood pressure is the force that circulating blood exerts against the walls of blood vessels, essential for maintaining the body's circulatory function.