GENERAL
1) In the biologic hierarchy organs are made up of a) tissues b) organisms c) fats d) carbohydrates
2) The stomach is a hollow muscular organ. This suits its function of a) Containing and churning ingested food b) Supporting the heart c) Absorbing carbohydrates d) Filtering the food
3) Complete the table to describe the four types of tissues.
Tissue Function nervous connective
Lines organs and body surface
Provides motion
DIGESTIVE SYSTEM
1. Match the enzymes with the macromolecules they act upon.
Pepsin
Amylase
Lipase a. reception of food
Lipids
Starch
Protein
2. What is the most important function of the mouth in digestion? b. absorption of food c. mechanical digestion d. taste
3. Once the food has been broken down into small molecules it is a. excreted b. incubated c. absorbed d. eaten
4. What is the name of the type of chemical reaction that occurs when the macromolecules are broken into smaller molecules? a. anabolism b. dehydration synthesis c. hydrolysis d. replacement
5. What does the digestive system use to break food down into smaller molecules? a. acids b. bases
CIRCULATORY SYSTEM c. forks and knives d. enzymes
1. The general function of the circulatory system is to a. transport nutrients and oxygen to cells and remove wastes b. communicate among different body parts c. convert macromolecules into smaller molecules d. make the heart beat

2. A blood cell is in the inferior vena cava. Where will it go next? a. right atrium of the heart b. left atrium of the heart c. the lungs
3. These two organs remove waste from the blood a. heart and stomach b. liver and kidney c. kidney and bladder
4. Blood removes _____________ from tissues. b. nutrients c. oxygen d. organelles a. wastes
5. At which structures are nutrients and oxygen delivered to the tissues? a. ventricles b. atria c. capillaries d. veins
RESPIRATORY SYSTEM
1. The general function of the respiratory system is a. provide exchange of oxygen and carbon dioxide b. provide exchange of nutrients and wastes c. provide exchange of ATP and ADP d. provide ribosomes
2. Where in the respiratory system is oxygen absorbed into the bloodstream?
a. bronchioles b. larynx
c. alveoli
d. epiglottis
3. What function does the nasal cavity fulfill?
a. filter, moisten and warm inhaled air
b. filter, moisten and warm exhaled air
c. it does not fulfill any function
NERVOUS SYSTEM
1. The general function of the nervous system is a. to mediate communication among different parts of the body and interactions with the with the environment b. to provide exchange of nutrients and wastes c. convert macromolecules into smaller molecules
2. Label the parts of a neuron:
3. Which of these is part of the central nervous system? a. brain b. sensory neurons c. motor neurons d. vertebral column

4. When one touches a hot pan which neurons are first stimulated? a. motor neurons b. sensory neurons c. astrocytes d. glia
MUSCULAR/SKELETAL SYSTEM
1. The general function of the muscular/skeletal system is a. support the body and allow for movement b. break macromolecules into smaller molecules c. mediate communication among different parts of the body and interactions with the environment
2. The muscle that is responsible for chewing food is a. buccinator b. masseter c. gluteus maximus d. biceps
3. Where are red blood cells produced? a. in the heads of long bones b. in bone marrow c. both a and b
4. The longest bone in the human body is the a. ulna b. femur c. tibia d. humerus
REPRODUCTIVE SYSTEM
1. The general function of the sexual reproductive system is a. to allow organisms to produce offspring with genetic information from two parents b. to break macromolecules into smaller molecules c. to mediate communication within the body and its environment
INTERSYSTEM COORDINATION
1. Homeostasis is a. the maintenance of a relatively stable condition b. necessary to support life in a variety of conditions c. coordinated among the body systems d. all of the above
2. Communication among cells is facilitated in several ways. One is through a. hormones circulating through the blood. b. sugars circulating in the blood. c. gases circulating in the blood. d. all of the above
3. A negative feedback loop a. regulates blood pressure b. regulates blood glucose levels c. regulates the formation of blood vessels d. all of the above