B201- Human Physiology Midterm #2 Homework
1. Define motor unit! What is motor unit recruitment?
Motor Unit: A single motor neuron and all of the muscle fibers that it innervates. When the motor
unit fires an AP all of the muscle fibers
HAND OUT EXERCISE 8.5
What is the relationship between body size & metabolic rate?
Inversely; larger organism = slower BMR
A rat metabolism experiment was conducted under the following conditions: temperature of 24 C and
B201L HUMAN PHYSIOLOGY
Why did the soap bubble move toward the chamber containing the animal?
As the animal is consuming oxygen, the soap bubble will move toward the chamber (consuming gases)
What is the function of the
Chapter 2 The Cell: Structure & Function
Chemistry is the science dealing with the properties & the transformations (chemical
reactions) of all forms of matter
Matter is any substance: solid, liquid, gas, plasma
All matter is composed of elements a substa
Chapter 10 - The Peripheral NS: Afferent Division - Special Senses
Deals with conveying information from the internal & external environments to the
1) Visceral afferents = subconscious information from the internal viscera
2) Sensory afferents =
Chapter 7 & 8 - Signalling & Synapses
Excitable tissues - Tissues capable of producing electrical signals when they are
excited or stimulate
Polarization - separation of charge
Depolarization - membrane potential is reduced from the resting
Chapter 3 Cell Metabolism
Energy is the capacity to do work
Kinetic energy Energy of motion
Potential energy Stored energy
What do you use for energy?
Where do you think the energy is stored these molecules?
Every time a bond is broken o
Chapter 4, 5, 8 - Interactions Between Cells & The Extracellular
Net diffusion refers to the difference between two opposing movements
Steady state refers to the equal movement of molecules in two opposite directions
Lecture/Lab 3 Review Questions
Chapter 20, 21, 22, 23
What is blood composed of?
Name all of the white blood cells.
What cells produce platelets?
Does a mature RBC contain a nucleus?
What chemicals are secreted by your granular leu
Chapter 11 - The Peripheral Nervous System: Efferent Division
The efferent division of the peripheral nervous system is the communication link by
which the central nervous system controls the activities of muscles & glands
This system is divided into:
Chapter 1 - Homeostasis: The Foundation of Physiology
Physiology is the study of the functions of the body
1. Mechanistic approach: mechanisms of action are emphasized.
How does a system work!
2. Teleological approach: explained in terms of fulfilling a b
B201L Human Physiology Lab
Pre-Lab #2 Worksheet Fox 2.6
Net diffusion of water
Define osmotic pressure
The ability of a solution to pull water toward it
A 0.10M NaCl solution is _ (isotonic/hypotonic/hypertonic)