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Anatomy
Weeks 1 - 5
Question | Answer |
---|---|
The body as a whole can be subdivided into two major divisions. | Axial and Appendicular |
The smallest living units of structure and function in the body. | Cells |
The most abundant element essential to life. | Carbon |
A spherical membrane-bound structure that contains the genetic material of the cell and is often referred to as the "command center" of the cell. | Nucleus |
This membranous organelle is the site of protein synthesis for proteins that are secreted by the cell. | Rough Endoplasmic Reticulum |
Phospholipids of the plasma membrane are arranged... | As a bilayer with their nonpolar tails sandwiched between their polar heads. |
Cisternae of this organelle are continuous with the nuclear envelope. | Rough Endoplasmic Reticulum |
In the cell membrane, the hydrophilic part of the phospholipid molecule... | Faces the exterior of the cell and the interior of the cell. |
The membranous structure containing substances that protect the human from harm. | Lysosomes and Peroxisomes |
Which cell fiber serves as part of the "cellular muscles?' | Microfilament |
The epidermis is composed of several types of epithelial cells. One type, called keratinocytes become filled with a tough, fibrous protein called... | Keratin |
The strongest most durable type of cartilage. | Fibrocartilage |
The mixed secretions of sebaceous and ceruminous glands form a brown waxy substance called... | Cerumen |
The skin glands include three kinds of microscopic glands. | Sweat, Sebaceous, and Ceruminous |
What fibers are present in all three types of cartilage, but are most numerous in fibrocartilage? | Collagenous |
Fibrocartilage can be found in the... | Symphysis Pubis |
The vertebral bones that support the small (lower section) of the back. | Lumbar Vertebrae |
The dorsal body cavity is subdivided into a cranial cavity and a spinal cavity. | True |
As the concentration of hydrogen ions increases, the pH goes _____, and the solution becomes more _____. | Down; Acidic |
As the concentration of hydroxide ions (OH–) increases, the: | The solution becomes more basic; PH rises |
Which organelle processes and packages material to be secreted? | Golgi Apparatus |
In the cell membrane, the hydrophilic part of the phospholipid molecule: | Faces the exterior of the cell; Faces the interior of the cell |
Which type of tissue has cube-shaped cells and can be found lining the kidney tubules? | Simple cuboidal epithelium |