BIO Ch 11 HW QUIZ
Where are the villi located?
small intestine
What are lymphocytes?
white blood cells
An essential nutrient is specifically a nutrient that your body ________.
cannot make by itself
What is the main role of red blood cells?
carry oxygen
The spinal cord is part of the ________ nervous system.
central
The alimentary canal is ________.
the series of digestive organs
How is BMI calculated?
weight and height
How is diabetes linked with homeostasis?
Diabetes results from the body not responding with a negative feedback to the level of glucose in the blood.
Which of the following statements about digestion is true?
Digestion can be both mechanical and chemical, and it occurs both in the mouth and in the stomach.
When is an unborn child called a fetus?
From the 9th week of pregnancy to birth
What is the role of the epithelium?
Helps protect the body from the external environment
Which of the following describe the integumentary system?
Skin, nails, hair
How do the muscles in your arm extend your arm outward?
Some muscles in your arm relax, and others contract, pulling the arm straight.
Epithelial tissues covers ________.
All of the above are covered by epithelial tissues
Which of the following is a type of essential nutrient?
All of the above are types of essential nutrients.
What is the condition called when your body's immune system overreacts to an otherwise harmless foreign particle?
Allergy
What type of disorder is AIDS?
An immunodeficiency
Digestion is ________.
Both mechanical and chemical
What is the name of the response to an injury in which fluids leak from dilated blood vessels, causing redness and swelling?
Inflammatory response
What type of receptor in the ear is responsible for the sense of hearing?
Mechanoreceptors
What are gonads?
Organs that produce gametes
The respiratory system exchanges which gases?
Oxygen is inhaled, while carbon dioxide is exhaled.
What is the role of the epiglottis?
Prevents food from entering the windpipe
What is chemical digestion?
The breakdown of food by enzymes
Which brain structure is the largest and most complex?
The cerebellum
What is the role of the villi?
To absorb small nutrient molecules from the digestive tract
Organs are made up of ________ type(s) of tissue.
Two or more
What would happen if the sensory neurons in your hand could not transmit a signal?
You could move your fingers but you could not feel something touch them.
Form refers to ________, and function refers to ________.
anatomical structure; physiological actions
The systemic circuit specifically circulates blood ________.
from the heart to the rest of the body
The urethra ________.
is a tube that conveys both urine and semen?
Response to a stimulus, such that the effect of the stimulus is counteracted, is called a ________ feedback.
negative
The main role of the liver is to ________.
produce bile, which helps the process of digestion
Most of the absorption of nutrients (besides water) takes place in the ________.
small intestine
Genital herpes is a sexually transmitted disease caused by a ________.
virus
What is the part of the kidney where urine is formed?
The nephron
What happens during diastole?
The heart muscles relax, allowing blood to flow into all chambers of the heart.
Which accessory organ's secretions neutralize stomach acid before it reaches the intestines?
The pancreas
What are hormones?
They are chemicals transported in the blood that affect target cells throughout the body.
Choose the defining characteristic of all arteries.
They only carry blood away from the heart.
What is the main role of the peripheral nervous system?
To convey information to and from the central nervous system
Which of the following blood cells fights infections?
White blood cells
What are the four stages of food processing, ordered from beginning to end?
Ingestion, digestion, absorption, elimination
Identify the primary role of the lymphatic system.
Produce and store large numbers of white blood cells
The urinary system ________.
all of the above are roles of the urinary system
What causes a stomach ulcer?
bacterial infection
What part of the respiratory system forms the interface between the respiratory system and the circulatory system?
Alveoli
Which of the following correctly explains what a heart attack is?
Arteries that supply the heart with oxygen become blocked.
What is mechanical digestion?
The use of physical actions to break down food
What is the main role of kidneys?
To filter blood and remove toxins from it
Which medication prevents viral infections by priming the immune system against a specific virus?
Vaccines
