Blog

A strain affects a muscle or a ligament, as opposed to a sprain which affects a tendon.

Which part of the vertebra supports the weight of the body?

Which of the following best describes the relationship between the ears and the tip of the nose?

Platelets, which have negatively-charged cell membranes, adhere to the positively charged surface of a torn blood vessel.  As they do so, they release substances which attract more platelets to the damaged area and change the charge on their cell membranes to positive.  More platelets adhere to the damaged area.  The cycle repeats until the damaged area is sealed.

The part of a spinal nerve that contains only efferent fibers is the

A sensory receptor may be classified by

The spinal cord passes through the

Neuroglia in the central nervous system that engage in phagocytosis are the

The manubrium is the portion of the temporal bone that articulates with the sphenoid.

Cellular respiration is anaerobic.