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Anatomy Midterm stac
| Term | Definition |
|---|---|
| Two Major cavities of the body | Ventral/Dorsal |
| Dorsal Cavity | cranial cavity, spinal cavity |
| Ventral Cavity | diaphragm, thoracic cavity, abdomniopelvic cavity |
| Ionic bonds are chemical bonds formed by the: | transfer of electrons from one atom to another |
| An element that contains the same number of protons but different numbers of neutrons is called a(n) | isotope |
| A chemical bond formed by the sharing of one or more pairs of electrons between the outer shells of two atoms is called a(n) _____ bond. | covalent |
| The water molecule has two distinct ends, each with a partial electrical charge. Because of this structure, water is said to be | polar |
| As the concentration of hydroxide ions (OH–) increases, the: | solution becomes more basic, pH rises |
| Substances that accept hydrogen ions are called | bases |
| The type of reaction in which substances are combined to form more complex substances is called a(n) _____ reaction. | Sythesis |
| The approximate pH of gastric fluid is: | 2 |
| Which of the following is a type of cell extension that lines the intestines and other areas of the body? | microvilli |
| Phospholipids of the plasma membrane are arranged | as a bilayer with their nonpolar tails sandwiched between the polar heads. |
| Intrinsic control: | is sometimes called autoregulation. |
| A chemical that reduces the amount of activation energy needed to start a chemical reaction is a(n) | catalyst |
| Osmosis can be defined as | he net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. |
| Diffusion moves | down a concentration gradient. |
| A molecule or other agent that alters enzyme function by changing its shape is called a(n) | allosteric effector. |
| In which skin layer does the process of keratinization begin? | Stratum granulosum |
| Which skin layer contains closely packed, clear cells that contain a gel-like substance called eleidin? | Stratum lucidum |
| Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? | Keratinocytes |
| Which skin layer is called the barrier area? | stratum corneum |
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | Stratum spinosum |
| Which cells of the skin act as a type of antigen-presenting cell in the skin? | Dendritic cells |
| The area referred to as true skin is the: | dermis |
| Which type of tissue has the greatest capacity to regenerate? | epithelial |
| Which cell fiber serves as part of our “cellular muscles?” | microfilament |
| The two major categories of body membranes are | epithelial and connective. |
| Each hair follicle has a small bundle of involuntary muscles attached to it called the | arrector pili muscle. |
| The connective tissue membranes that line the spaces between bones and joints are called _____ membranes. | synovial |
| Besides water, extracellular matrix contains | proteins and proteoglycans |
| The skin glands include three kinds of microscopic glands. They are the __________ glands. | sweat, sebaceous, and ceruminous |
| Bone marrow is a specialized type of soft, diffuse connective tissue called Correct! | myeloid tissue |
| Axial skeleton | 80 bones of head and trunk |
| Appendicular skeleton | 126 bones of extremities and pelvic region |
| Cartilage is classified as _____ tissue. | connective |
| The main shaft-like portion of a long bone is the | diaphysis |
| The extracellular components of bone matrix are | hard and calcified |
| Compact bone contains many cylinder-shaped structural units called | osteons |
| What is are the two types/functions of bone marrow? | Red & yellow – produces red blood cells and stores energy as fat. |
Created by:
natlndry
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