Which molecules speed up the rate of biological reactions?

A. Proteins
B. Enzymes
C. Antibodies
D. ATP


Answer: B

Anatomy & Physiology

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Lymph nodes

A) receive lymph through the efferent vessels. B) filter both blood and lymph. C) manufacture lymph. D) occur in all regions of the body. E) do not occur in the brain.

Anatomy & Physiology

Explain the role of the ethmoid bone in forming the structure of the nasal cavity

What will be an ideal response?

Anatomy & Physiology

During development, the ________ system forms most of the veins of the head, neck, and body wall.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

In a resting adult, what percentage of blood is contained in the arteries?

A. 54% B. 70% C. 18% D. 5% E. 11%

Anatomy & Physiology