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Collections of similar specialized cells are called:

What is the term for the production of all the cellular components within our blood?

Actions we carry out consciously in response to body needs are:

The nucleus of an atom may consists of:

This term refers to the study of disorders of the human body and course of diseases.

These feedback loops amplify stimuli.

Which of the following is NOT an important function of our skeleton?

Tissue that is specialized for contraction is __ tissue.

More blood flow to region results in which change in skin color?

This hormone causes the uterus to contract.