What types of blood cells are involved in immunity?

A) Thrombocytes
B) Platelets
C) Leukocytes
D) Erythrocytes


Answer: C

Anatomy & Physiology

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The main function of a serous membrane is to

A) reduce friction. B) protect organs. C) allow blood to pass. D) hold organs together. E) fill empty spaces.

Anatomy & Physiology

Which of the following statements is FALSE?

A. Ca2+ that activates contraction of smooth muscles can come from either the ECF or from the sarcoplasmic reticulum. B. In the absence of any neural input, skeletal muscle cannot generate tension. C. A single smooth muscle cell may be innervated by both a sympathetic neuron and a parasympathetic neuron. D. Synaptic input onto skeletal muscle cells is always excitatory, whereas inputs to smooth muscle cells may be either excitatory or inhibitory. E. Contractile activity of smooth muscle cells does not normally require Ca2+.

Anatomy & Physiology

Body fluids are ____________________ at 300 mosm/liter

Fill in the blank(s) with correct word

Anatomy & Physiology

Which bones are thin and typically found where there is a need for extensive muscle attachment or protection for soft or vital parts of the body?

a. long b. flat c. short d. irregular

Anatomy & Physiology