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Human Bio Exam 2
For Final
49
Biology
Undergraduate 2
12/06/2010

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Term
The process that maintains the body temperature at 98.6 degrees Fahrenheit (37 degrees celcius) is:
Definition
Homeostasis
Term
Maintaining the body temperature at approximately 98.6 degrees Fahrenheit ( 37 degrees celcius) is a _______________ mechanism.
Definition
Negative Feedback
Term
The primary identifying characteristic of connective tissue is:
Definition
It consists of living cells in a non-living matrix
Term
The membrane that provides protection to the knee joint, and is often affected by rheumatoid arthritis is.
Definition
Synovial
Term
The correct flow of blood within the heart is:
Definition
Vena cavae, right atrium, right ventricle, pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, aortic arch.
Term
The __________ in the heart prevent back-flow when the ventricles pump.
Definition
Valves
Term
The organs that deliver nutrients and oxygen to the heart muscle are:
Definition
Corinary arteries and veins
Term
Should a major vessel in the heart become blocked, a method to prevent damage to or death of heart muscle is:
Definition
Coronary bypass
Term
The higher reading is the
Definition
Systolic pressure, the pressure immediately after the heart pumps.
Term
The arteries, capillary bed, and venules that take blood to the lungs are called the:
Definition
Pulmonary system
Term
Methods to help prevent varicose veins include
Definition
Avoiding sitting or standing in one spot for long periods
Term
Food in the mouth is acted on by the teeth and the salivary glands in two distinct ways:
Definition
Mechanically and Chemically
Term
Two systems cross in the _____________, making it earlier to “swallow down the wrong throat:
Definition
Pharynx
Term
Homeostasis in the body is maintained by a(n):
Definition
Sensor notifying an effector that then brings about a reaction
Term
Absorbtion of water in the digestive system occurs in the:
Definition
large intestine
Term
Enzymes act by:
Definition
more than one of the above (A and B, not C)
Term
Enzymes are:
Definition
catalysts – not used up in a reaction
Term
Enzymes and substrates are said to go together like a lock and key. This indicates:
Definition
Enzyme Specificity
Term
Wastes eliminated from the large intestine through the anus consist primarily of:
Definition
Water, bacteria, and undigested materials
Term
Villi are an example of one way our bodies bring about:
Definition
Increased surface area to volume ratio
Term
A value of consuming adequate cellulose (fiber) in our diet is to:
Definition
facilitate regular elimination of wastes from the digestive tract
Term
The necessary materials that we need to take in to make our digestive system and our body function include:
Definition
Carbohydrates, fats, proteins, fiber, and water
Term
Transporting heat to the various portions of the body is a function of the:
Definition
Circulatory system
Term
Peristalsis is a(n):
Definition
Rhythmic muscular action
Term
The hepatic portal vein transports blood to the:
Definition
Liver
Term
The pH of the blood is maintained very close to:
Definition
pH 7.4
Term
Dendrites are found in:
Definition
Nerve cells
Term
When referring to muscle, the term involuntary refers to:
Definition
Not under our conscious control
Term
The largest portion of nervous tissue is the
Definition
Neurolgia or supportive calls
Term
The axon
Definition
Sends messages on
Term
All blood cells are derived from
Definition
Red bone marrow of the long bones
Term
The nervous system consists of 2 parts, the:
Definition
Central nervous system and Peripheral nervous system
Term
Which of the following is an example of positive feedback?
Definition
Bloodclotting
Term
The three types of muscle tissue that we studied are:
Definition
Skeletal, smooth, cardiac
Term
The type of tissue that provides covering and protection on and within our body is:
Definition
Epithelial
Term
The pleural cavity, pleural membranes, and pleurisy all refer in some manner to the:
Definition
Lungs
Term
Organs in the human body are made up of:
Definition
Various tissues working in a coordinated fashion
Term
Blood pressures of ___________ are considered “ normal”.
Definition
120/80
Term
The molecule in the blood that carries the oxygen is:
Definition
Hemoglobin
Term
A weak spot in an artery that can swell and even burst is called
Definition
An aneurism
Term
The digestive system is
Definition
Tube-within-a-Tube
Term
The body cavity enclosing the lungs is called the:
Definition
Pleural cavity or Thoracic cavity
Term
Trypsin and pepsin are enzymes that act on:
Definition
Protein
Term
Blood is an example of which type of cell?
Definition
Connective
Term
Cartilage connecting bone to bone is called:
Definition
Ligament
Term
Bone is the most dense
Definition
Connective tissue
Term
White blood cells or leucocytes are active in which systems?
Definition
Circulatory and Lymphatic
Term
Blood Plasma
Definition
Contains the Red Blood Cells, White blood cells, and Platelets
Term
Cardiac muscle is:
Definition
More than one of the above (A and C)
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