The Nucleus of an Atom Contains

question 25

Multiple Choice

The nucleus of an atom contains

• A)protons.
• B)neutrons.
• C)protons and neutrons.
• D)electrons.

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Definitions:

Acidic

Solution containing more than 10–27 mol of hydrogen ions per liter; has a pH less than 7.

Vasoconstriction

Decreased diameter of blood vessels.

Erectile Tissue

Specialized tissue found in certain parts of the body like the penis and clitoris, which can become engorged with blood, causing the tissue to harden and expand.

Venules

Small veins that collect blood from capillary beds and join to form veins, facilitating the return of blood to the heart.