Skin
Epidermis and Dermis
What is the major tissue type that contains tightly packed cells and is associated with absorption and secretion.
Epithelial tissue
What is the preferred molecule for cellular respiration?
glucose
Urine has a pH of 6.8. Is this acidic, basic, or neutral?
acidic
In one word- what is the one action that muscles perform?
contraction
Identify the specific tissue find in the superficial layer of the skin that is multi-layered and provides protection.
Stratified squamous epithelium
What is the only specific tissue type that is under voluntary control?
Skeletal muscle
-Acetyl CoA is stripped of electrons, producing several molecules of NADH and FADH2. The majority of carbon dioxide is, also, given off during this step.
Kreb's cycle
What pH range is considered basic/alkaline?
anything above 7 until 14
What molecule must be released from a neuron to excite a muscle cell?
Acetylcholine
Identify the tissue found in the dermis of the skin that is made up of collagen fibers that run in several different directions.
Dense irregular connective tissue
What kind of specific tissue type contains chondrocytes and is found at the epiphyseal plates of bones?
Hyaline cartilage connective tissue
Name the step of cellular respiration:
-Glucose is split into two molecules of pyruvate.
glycolysis
What group of organic molecule includes sugars (glucose), starch, and glycogen? It is used for quick energy.
carbohydrates
What molecule must be released from the sarcoplasmic reticulum for muscle contraction to occur?
calcium
Identify the skin receptors that detect pain and temperature.
What type of specific tissue contains actin and myosin and can be found in the walls of blood vessels?
smooth muscle
-FADH2 and NADH drop off electrons.
-The majority of ATP is generated.
Electron transport chain
What group of organic molecules includes fats, oils, steroids, and cholesterol? They are used for long-term energy, insulation, and padding.
Lipids
What are the two major proteins that slide past one another during muscle contraction?
actin and myosin
Identify the skin receptors found in the dermis that detect deep pressure.
Pacinian corpuscles
What type of major tissue type is highly vascular and contains specialized extracellular matrices?
connective tissue
What is a byproduct of this process in muscle cells?
fermentation
lactic acid
What group of organic molecules include enzymes, transport structures found in the cell membrane, structural molecules (i.e. keratin)?
Proteins
What is the "contracting" unit within muscle cells?
the sarcomere