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