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SCI220 Midterm
Term | Definition |
---|---|
Anatomical Position | The body is in an erect, or standing, posture with the arms at the sides and palms forward. The head and feet are also pointing forward |
Triglycerides | The most abundant lipids that function as the body’s most concentrated source of energy. |
Nucleus | A usually central, spherical double-membrane container of chromatin (DNA); has large pores. It houses the genetic code. |
Osmosis | Passive transport of water through a selectively permeable membrane in the presence of at least one impermeant solute |
Mitosis | The process of organizing and distributing nuclear DNA during cell division |
Epithelial Tissue | covers and protects the body surface, lines body cavities, specializes in moving substances into and out of the body or particular organs |
3 Types of Muscle Tissues | skeletal muscle, smooth muscle, and cardiac muscle |
Dermis | Deep primary layer of the skin; made up of fibrous tissue |
Hypothalamus | Acts as an integrator and sends a nervous signal to the sweat glands and blood vessels of the skin |
Fibula | Long, slender bone of the lateral side of the leg |
Cytoskeleton | cell’s internal supporting framework. It's the bony skeleton of the body made up of rather rigid, rodlike pieces that not only provide support but also allow movement. |