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. Which of the following is arranged in correct order from the most COMPLEX to the SIMPLEST
A person facing forward with hands at the sides and palms facing forward is in the
If a response decreases a disturbance, the system is classified as a ________ feedback system
If a response increases a disturbance, the system is classified as a ________ feedback system
A cell or organ that responds to commands of the control center in negative feedback is termed a(n)
Which organ system provides support, protection of soft tissue, mineral storage, and blood formation
An example of a receptor in a negative feedback loop controlling body temperature would be
If a pair of electrons is unequally shared between two atoms, a(n) ________ occurs
High heat index
Which of the following statements about water is not correct
According to the rules of complementary base pairing in nucleic acids, cytosine would pair with the base
Which of the following is a function of membrane proteins
Components of the cytoskeleton may include all of the following, except
Rough Endoplasmic Reticulum
Which of the following consists of a network of intracellular membranes with attached ribosomes
The movement of oxygen from an area of high concentration to an area of low concentration is an example of
A process that requires cellular energy to move a substance against its concentration gradient is called
The stage in a cell's life cycle in which the cell performs its normal functions and prepares for division is called
. During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesis occurs
Involves relatively large volumes of extracellular material to be packaged in vesicles at the cell surface and be imported into the cell
The energy requirements are higher
Some cells contain large numbers of mitochondria while others have relatively few or none. This suggests that
Red blood cell shrinkage is to ________ as cell bursting is to ________
Which of the following is a type of secretion in which some cytoplasm is lost with the product
Tissue that is specialized for the conduction of electrical impulses is ________ tissue
A gland formed by cells arranged in a blind pocket with a single unbranched duct would be called
Endocrine glands empty their products into ________ and are referred to as ________ glands, while exocrine gland secretions empty into ________ or onto surfaces
Connective Tissue Proper
Loose Connective Tissue
Fluid Connective Tissue
The three types of connective tissue include
Which type of connective tissue is found between the ribs and the sternum, or supporting the trachea
Errector Pilli Muscles
Accessory structures of the skin include all of the following
Stratified Squamous Epithelium
Large quantities of keratin are found in the epidermal layer called the
The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the _______ layer
Vitamin D3 (Cholecalciferol)
An important vitamin that is formed in the skin when it is exposed to sunlight is
*Cool surface of the ksin to reduce body temperature
*Excrete water and electrolytes
*Provide protection for enviornmental hazards
Merocrine sweat glands
Thin skin contains ________ layer(s) of keratinocytes, and thick skin contains ________ layers
________ sweat glands are widely distributed across the body surface, ________ glands are located wherever
hair follicles exist, and ________ sweat glands are found only in a few areas
*Stratified Squamous Epithelium
*Dominated by Keratinocytes
*Provides protection & keeps microrganisms out
Characteristics of the epidermis include
The bone matrix is contained. Calcium and phosphate concentrations in the body fluid are regulated.
Through the action of osteoclasts
Mesenchymal Cells--Osteoblasts. Bone expands
Blood vessels form
bone assumes structure of spongy bone
Major steps in the process of intramembranous ossification in order is
1. Cartilage enlarges. chondrocyres increase. matrix isreduced.
2. blood vessels grow
3.Fibroblasts migrate with the blood vessels. produce spongy bone.
4.remodeling occurs. shaft of the bone becomes thicker.
5. capillaries and osteoblasts migrate into the epiphysies.
6. epiphysies are filled with spongy bone.
Important steps in the process of endochondral ossification in order is
7 Orbital Complex bones:
Each of the following bones is a component of the orbital complex, except the ________ bone
supports the larynx and is the attachment site for the muscles of the larynx, pharynx, and tongue
The hyoid bone
The nasal complex consists of all of the following bones
Lumbar & Cervical
The four curves of the adult spinal column are not all present at birth. Which of the following are the secondary curves, those that do not appear until several months later
The four spinal curves include all but one of the following. Identify the exception
The clearest distinction between a male and female skeleton is seen in the characteristics of the
The joint that permits the greatest range of mobility of any joint in the body is the ________ joint
Joints can be classified structurally as
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