Support System
The portion of the skeleton that supports the head, neck, and trunk
Axial Skeleton
The substance in bones that makes them rigid and hard.
Minerals
When muscles work together, one group of muscles does this while the other group of muscles relaxes.
Contracts
The body produces what to cool the skin and feed helpful bacteria and fungi that live on the skin?
Sweat
An elbow or knee joint - offering limited range of motion but the greatest stability.
Hinge Joint
What is the Appendicular Skeleton?
The portion of the skeleton that attaches to the axial skeleton and has limbs attached to it.
Found inside the bone, this makes blood cells.
Bone marrow
What are the involuntary called?
What are the voluntary muscles called?
Smooth Muscles
Skeletal Muscles
What are the 3 layers of skin called?
Epidermis, dermis, and hypodermis
Which joint offers the widest range of motion but the least stability?
Ball-and-Socket joint
The name for creatures with a backbone
Vertebrates
What is the sum total of all bones in the body called?
Endoskeleton
What do tendons connect? Ligaments?
muscles to bone
bone to bone
What is the process by which cells harden and die in order to make hair, nails, and the outer layer of skin?
Keratinization
What joint exists only in the backbone?
Washer joint
What are exoskeletons typically made of?
Chitin
This type of bone tissue is packed loosely and contains open spaces; red bone marrow is found here
Spongy bone
The tendency of plants to grow and move to face light .
Phototropism
What 2 functions does hair serve?
Sensation (sense things) and insulation (keep warm)
The bones that make up a joint are covered in what so they won't damage when they rub together?
Articular cartilage
The name given to animals with exoskeletons.
Arthropods
How can you tell the difference between the tibia and fibula? Point out each on Mr. Bones
tibia is thick like a tuba
fibia is thin like a flute
When your arm is straight what muscle relaxes?
Biceps brachii
The lowest part of the hair follicle, which is the source of keratinized cells.
Matrix
What lubricates joints? (be specific)
Synovial fluid