The cross-sectional view of the wings of birds and planes reveals a curved upper surface demonstrating both to be __________

Fill in the blank with the correct word.


Answer: Aerofoils

Anatomy & Physiology

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Only a fraction of our sensory impulses reach our conscious awareness.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Cocaine lowers the levels of a chemical messenger in the brain called enkephalin. Researchers have found the number of enkephalin receptors to be higher in cocaine addicts than nonaddicted people. This is an example of

A. saturation. B. up-regulation. C. antagonism. D. affinity. E. down-regulation.

Anatomy & Physiology

The glenoid cavity of the __________ articulates with the head of the __________.

A. scapula; sternum B. radius; humerus C. humerus; scapula D. sternum; humerus E. scapula; humerus

Anatomy & Physiology

The implantation of the blastocyst results from

A. enzymes digesting the endometrium around the blastocyst. B. hCG stimulating the growth of trophoblast blood vessels. C. the cessation of the reproductive cycle. D. hyaluronic acid breaking down the myometrium around the blastocyst.

Anatomy & Physiology