Forced breathing during exhalation involves contraction of the internal intercostal muscles and the

A) scalenes.
B) diaphragm.
C) abdominal muscles.
D) external intercostals.
E) serratus anterior.


C) abdominal muscles.

Anatomy & Physiology

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The principal cation in intracellular fluid is

A) sodium. B) potassium. C) calcium. D) magnesium. E) chloride.

Anatomy & Physiology

Myoglobin is a molecule within muscle cells that can bind

A.  creatine phosphate. B.  oxygen. C.  hemoglobin. D.  acetylcholine. E.  ATP.

Anatomy & Physiology

Using the figure below, identify the labeled part.


1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
20) Label T: ______________________________
21) Label U: ______________________________
22) Label V: ______________________________

Anatomy & Physiology

Blood leaves the ________ and enters the glomerulus.

A) efferent arteriole B) peritubular capillary C) afferent arteriole D) Bowman's capsule E) vasa recta

Anatomy & Physiology