Which tissue(s) below is (are) considered primary lymphoid tissue? (Choose as many as apply.)

A) Thymus
B) Lymph nodes
C) Spleen
D) Peyer's patches
E) Bone marrow


A, E

Health & Biomechanics

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The fatty, wax like substance that circulates through the bloodstream and performs many necessary functions is known as

A) insulin. B) statins. C) cholesterol. D) platelets.

Health & Biomechanics

Two bones are held together in a joint by:

A) cartilage. B) tendons. C) ligaments. D) muscles.

Health & Biomechanics

The combining form acoust/o means:

A. air B. ear C. hearing D. sound

Health & Biomechanics

You should change lead legs in step aerobics after a maximum of _____ seconds

a. 15 b. 30 c. 45 d. 60 e. 90

Health & Biomechanics