During forced exhalation, _______.

A. the internal intercostals contract
B. the diaphragm contracts
C. the diaphragm, the internal intercostals and the external intercostals contract
D. the external intercostals contra


Answer: A. the internal intercostals contract

Anatomy & Physiology

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The nucleotide sequence within the genes that produce B cell receptor and antibodies are reshuffled by a process called somatic recombination. This produces the huge variability in antibody types

Indicate whether the statement is true or false

Anatomy & Physiology

Lateral means _____.?

A) ?near the beginning of a structure B) ?near the front of the body C) ?toward the midline D) ?toward the side

Anatomy & Physiology

What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation?

a. stimulation of ACh receptors b. diffusion of Na+ back into transverse tubules c. return of Ca2+ into the sarcoplasmic reticulum d. breaking the bond with tropomyosin

Anatomy & Physiology

Which of the following terms would be best used in a pattern of collateral circulation?

a. common b. proper c. recurrent d. continuous

Anatomy & Physiology