Hollow organs like intestine, stomach, uterus, and urinary bladder.
200
What is myoglobin?
Myoglobin is a protein in muscles that can store and release large quantities of oxygen to fuel aerobic metabolic processes.
200
What is the effect of sympathetic stimulation on cardiac muscle and the effect of parasympathetic nervous system stimulation?
Sympathetic increases the heart beat
Parasympathetic slows down the heart beat
200
What are the types of bone marrow?
Red marrow manufactures blood cells and yellow is made up of fat.
200
The femur is what type of bone?
Long bone
300
Where are multiunit smooth muscle fibers found?
They adjust the size of the pupil, lens, and adjust blood vessels in the lungs
300
What makes up the light and dark bands?
Actin makes up the light band and Myosin makes up the dark.
300
What starts each heartbeat?
(SA) Sinoatrial Node
300
What are the three kinds of bone cells and what do they do?
Osteoblasts form bone.
Osteoclasts break bone down.
Osteocytes are mature bone cells located in lacunae.
300
What are two types of flat bones?
Skull, ribs, and scapula
400
What are the effects of sympathetic nervous stimulation and parasympathetic nervous stimulation on smooth muscle?
Sympathetic stimulation decreases smooth muscle activity and parasympathetic stimulation increases it.
400
What ion starts the contraction process in skeletal muscle?
Calcium (Ca++)
400
What is the effect of the cardiac muscle's nerve supply on its functioning?
The nerves to the heart are from the sympathetic and parasympathetic nervous systems.
400
What are the types of joints?
Fibrous, cartilaginous, and synovial
400
The bones in our hands and feet are what?
Short bones
500
What is the difference between visceral and multiunit smooth muscle?
Visceral muscle is large and powerful found in organs and form large sheets in the walls.
Multiunit muscle is small and delicate that makes up individual cells or small groups for delicate contractions.
500
What is the molecule that powers the sliding of the actin and myosin filaments?
ATP-Adenosine Triphosphate
500
What are the importance of intercalated disks?
The intercalated disks fasten cells together and transmit impulses from cell to cell to allow groups to work together.
500
How is bone formed?
Bones develop by endochondral bone formation. The body first has a cartilage "template" that is replaced by bone. In femur, bone developes in diaphysis of cartilage rode in primary growth center. Cartilage is removed and gradually bone is created.