ANP 1105

What is respiration? (4 processes) - Answer - major function of respiratory system is to supply O2 and dispose of CO2 -Respiration involves 4 processes Respiratory System: - Pulmonary Ventilation: movement of air in and out of lungs - External respiration: exchange of gases between blood and air of alveoli Circulatory System: - Transport of respiratory gases: role of blood in transport of gases between lungs and tissues of body - Internal respiration: at the level of the tissus, e...

Potassium - Answer 1. Immediately after an action potential has peaked, which cellular gates open? Store calcium ions - Answer The major function of the sarcoplasmic reticulum in muscle cells is to Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules - Answer What is the role of tropomyosin in skeletal muscles? A. Tropomyosin is the name of a contracting unit B. Tropomyosin serves as a contraction inhibitor by blocking the myo...

What are most exocrine glands in the human body classified as? - Answer Merocrine What cells types are likely to be found in areolar CT - Answer Fibroblasts Macrophages Mast cells What is found in the bone but not in the matrix of cartilage - Answer Blood vessels What is the shape of the external ear maintained by? - Answer elastic cartilage What is the embryonic CT from which all other CT arise - Answer Mesenchyme Which fiber types gives CT great tensile strength...

What are the conditions of homeostasis? - Answer 1. core body temperature must remain within range 2. wastes must not accumulate 3. heart activity/blood pressure is monitored and adjusted as needed 4. adequate blood levels of vital nutrients What are the three essential characteristics of homeostasis? - Answer 1. receptor 2. control centre 3. effector Receptor (homeostasis) - Answer senses change (stimulus) and sends info (afferent pathway) to the control centre cont...

Compare the difference between the two side-by-side pumps of the heart - Answer RIGHT SIDE: - Receives oxygen poor blood from body tissues - Pumps blood to lungs to pick up O2 and dispel CO2 LEFT SIDE: - Receives oxygenated blood from lungs - Pumps blood throughout body to supply O2 and nutrients to body tissues Blood vessels that carry blood to / from lungs form the _____________ - Answer PULMONARY CIRCUIT Blood vessels that carry blood to / from all body tissues form the ...

Epimysium - Answer outermost layer, most robust, connects muscles to bones Perimysium - Answer Connective tissue surrounding a fascicle Endomysium - Answer Connective tissue surrounding a muscle fiber Deep fascia - Answer dense connective tissue on the surface of individual muscles wraps bundles of muscles together and are more robust than Epimysium characteristics of muscles - Answer excitability, contractility, extensibility, elasticity Functions of muscles - An...

three types of blood vessels - Answer arteries - arterioles (resistance vessels), capillaries (exchange vessels - only has endothelium, pretty weak), veins three types of arteries - Answer muscular (distributive - has the most smooth muscle and collagen) and elastic (conductive - has the most elastic tissue), and arterioles (more flexible) three layers of blood vessel wall - Answer 1. tunica intima (innermost layer - low friction surface so blood can travel easily), 2. tunica medi...

What are the 3 layers of blood vessels? - Answer Tunica intima, tunica media and tunica externa Innermost tunica intima - Answer Simple squamous epithelium to allow a low friction surface Middle tunica media - Answer Smooth muscle and elastic tissue to control the diameter Outermost tunica externa - Answer Nerve and elastic fibers Vasa vasorum - Answer Tiny blood vessels that supply blood for larger ones Vasoconstriction - Answer Smooth muscle constricts to decre...

Cytology - Answer study of cells Histology - Answer study of tissues Embryology - Answer study of developmental changes before birth Developmental Anatomy - Answer traces structural changes that occur in the body throughout the life span Palpate - Answer examine (a part of the body) by touch, especially for medical purposes. Auscultate - Answer To listen to sounds within an organ with a stethoscope medical imaging technology - Answer X-ray, MRI (magnetic re...