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what propels food through the esophagus?

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Biology Science

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6 years ago

Date created

Mar 1, 2020

Cards (41)

Section 1

(41 cards)

what propels food through the esophagus?

Front

peristaltic waves

Back

he type of tissue that is "irritable," and can detect and process information in order to respond to changes in the environment is called:

Front

nervous tissue

Back

Which is the more common regulatory pathway in a human body?

Front

negative feedback loop

Back

For chemicals, the smallest unit of an element is an atom. For organisms, the smallest unit of life is:

Front

a cell

Back

Homeostasis refers to a(an):

Front

stable internal environment.

Back

a solution that has an excess of hydrogen ions (H+) is:

Front

acidic

Back

This woman is drinking water to replace water lost during exercise. Maintaining water balance is an example of?

Front

homeostasis

Back

The function of the skeleto-muscular system is to:

Front

provide movement and locomotion (movement or the ability to move from one place to another.)

Back

To what group of organic compounds do most enzymes belong?

Front

proteins

Back

chyme entering the duodenum triggers:

Front

adding pancreatic juice buffering the pH of chyme to 7 activating enzymes in duodenum

Back

Active transport:

Front

requires a cell to expend energy.

Back

covalent bonds are formed by the:

Front

sharing of electrons

Back

Which of the following illnesses is NOT the result of homeostatic imbalances?

Front

A. Anemia B. Broken leg C. Hypoglycemia D. Heat stroke Correct answer is B: BROKEN LEG

Back

The number of electrons in an atom's valence shell determines that atom's:

Front

reactivity

Back

The primary function of epithelial tissue is to:

Front

cover the body, line all body cavities, and compose glands.

Back

Where is red bone marrow located in a long bone?

Front

Epiphyses

Back

Typically membrane-bound structures suspended in a cell's cytosol are called:

Front

organelles

Back

semimovable joint

Front

a joint at which limited movement occurs; examples include the joints between the bones of the vertebral column

Back

what two proteins are involved in muscle contraction?

Front

actin and murine

Back

Macronutrients are

Front

carbohydrates, fat, and proteins

Back

the four most common elements in living organisms are:

Front

oxygen carbon hydrogen nitrogen

Back

correct pathway of a bite of pizza from mouth to anus

Front

oral cavity -> esophagus -> stomach -> small intestine -> large intestine -> rectum

Back

Inside a myofibril are nested, elongated structures called:

Front

Microfilaments containing sarcomeres.

Back

After a myosin head has pulled actin and the Z disk inward, it must first bind to _____before it can detach with actin and then re-attach to perform another power stroke.

Front

ATP

Back

The most abundant tissue type in the human body is:

Front

connective

Back

You are able to play a piano because:

Front

different muscles attached to many bones in your fingers contract.

Back

macronutrients include all of the following except:

Front

A. proteins B. carbohydrates C. lipids D. vitamins CORRECT ANSWER: D. vitamins

Back

During heavy muscle activity, oxygen demand cannot keep up with energy demands resulting in a shift of ATP production to:

Front

anaerobic pathways.

Back

The breakdown of proteins into component amino acids _________ reaction

Front

catabolic

Back

Vitamins are

Front

organic compounds

Back

Which of the following statements is TRUE about the cell membrane? A. The cell membrane is a static structure. B. The cell membrane is composed of a DNA core. C. The cell membrane is composed of a phospholipid bilayer. D. The cell membrane allows only water to enter a cell.

Front

Correct answer: The cell membrane is composed of a phospholipid bilayer.

Back

When a muscle contracts

Front

pulls on a bone causing movement at the joint.

Back

What type of bony tissue is found at the arrow?

Front

spongy bone

Back

immovable joints

Front

joint that allows little or no movement

Back

minerals most common in the bones?

Front

calcium and phosphate

Back

Synarthrotic

Front

Back

what is the function of the large intestine?

Front

to absorb and resorb water, minerals and vitamins

Back

Micronutrients are

Front

vitamins and minerals

Back

bone begins as cartilage? yes or no

Front

yes

Back

Collections of tissues join together to form more complex structures called:

Front

organs

Back

synovial joints

Front

created where two bones articulate to permit a variety of motions

Back