Although you get wet while swimming, a tough protein within the skin prevents it from soaking up moisture like a sponge. This substance is ________.

A) serous fluid
B) melanin
C) mucus
D) carotene
E) keratin


Ans: E) keratin

Anatomy & Physiology

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The nucleus of a cell is contained with a nuclear membrane, which is impermeable.?

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following is a hormone released at the posterior pituitary?

A.)ADH B.)somatostatin C.)TSH D.)prolactin

Anatomy & Physiology

The smallest sized member of a group of muscles may have ________ as part of its name.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

The arteries that are also called the distributing arteries are the ________

A) arterioles B) muscular arteries C) elastic arteries D) capillaries

Anatomy & Physiology