Human Physiology: Multiple Body Systems

Synovial joint present in between atlas and axis is of pivot joint type.

Digestion of protein does not start with chewing of food in the mouth. It begins in the stomach.

Epiglottis is a flap of cartilage located in the throat behind the tongue and in front of the larynx. 

Hürthle cell is associated with thyroid gland. Hürthle cell is used only to indicate cells of thyroid follicular origin.

This law was given by both Bell and Magendie.  The anterior spinal nerve roots contain only motor fibers and posterior roots only sensory fibers and that nerve impulses are conducted in only one direction in each case.

The part of brain that regulates hunger, sleep and thirst is hypothalamus.

Lymph nodes are oval or bean-shaped bodies placed in the lymphatic vessels. They act as filters and are sites where lymphocytes are formed. The main groups of lymph nodes lie in the neck, axilla, thorax, abdomen and groin.

These are one of the four types of lingual papillae present on the surface of the tongue.

This nerve cell contains a single long axon and many dendrites.

There is a selective advantage for people with dark complexions in regions of intense solar radiation.  

Acetylcholine is a neurotransmitter.

These cells line the walls of the ventricles of the brain.

It is a sensory receptor mainly found in the hypothalamus.

Milk sugar (lactose) is difficult for many adults to digest due to inability of their bodies to produce enough of a particular chemical to break it down. 

Brush bordered epithelium is found in PCT.