This regulatory protein of muscle has a binding site for calcium:

Red bone marrow is found in the interior of our bones.  What does red bone marrow consist of:

This synovial joint, which includes the shoulder, has the greatest range of motion:

Contraction of muscle uses large amounts of energy.  For this reason, weight loss programs often include exercise.

We naturally lose bone tissue from our skeleton as we age.  This term refers to age-related bone loss:

You are looking at a tissue slide in lab.  The tissue has several layers of cells that are tall and narrow.  What would you call this tissue:

This structure of the eye focuses light rays onto the retina:

Which of the following statements is FALSE regarding sweat glands:

This cranial nerve extends into the thorax and abdomen, directing the activity of our organs:

EXTRA CREDIT STRESS SCENARIOS – For each of the following graphs, explain WHAT IS HAPPENING to raise the glucocorticoids (cortisol) level of the animals.  Note that you must go beyond what is already stated, which may require that you speculate on the cause of the glucocorticoids rise.  (Worth 1 point each)   ELEPHANTS – Foley et al. (2001) collected fresh fecal samples from 16 female elephants (Loxodonta africana) in three different groups over 23 months at Tarangire National Park, Tanzania, and analyzed them for fecal progesterone and cortisol metabolites. Social and ecological measures (rainfall) were collected concurrently. They noted a decline in body condition during the dry season. Elephant diet changes seasonally from high-quality grass in the wet season to less nutritious and more sparsely distributed leaves and bark in the dry season, and which time competition for good forage also increases.  They also noted that most births occurred during the wet season (Fig. 1).