What is believed to be the major evolutionary pressure in the development of closed circulatory systems?

A) Transport of oxygen
B) Transport of immune factors
C) Transport of hormones
D) Transport of glucose


Answer: A

Anatomy & Physiology

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A motor neuron and the muscle fibers that it controls constitute a motor unit.

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

Anatomy & Physiology

The sarcoplasmic reticulum stores the substance ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

This muscle depresses and adducts the eye.

a. inferior rectus b. inferior oblique c. lateral rectus d. superior oblique

Anatomy & Physiology

The lateral sacs (alternatively known as terminal cisternae) store ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology