Exploring creation with general science module #11 study guide

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Terms in this set (...)

Axial skeleton
The portion of the skeleton that supports and protects the head, neck, and trunk
Appendicular skeleton
The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it
Exoskeleton
A body covering typically made of chitin, that provides support and protection
Symbiosis
A close relationship between two or more species where at least one benefits
What three things make up the human superstructure
The skeleton, the muscles, and the skin
What are the two main differences between smooth muscles and skeletal muscles
Smooth muscles are smooth and unstriped while skeletal muscles are rough and striped. Skeletal muscles are voluntary ,while smooth muscles are involuntary
Where is the cardiac muscles found? Is it involuntary muscle or a voluntary one
The cardiac muscle is in the heart. It is an involuntary muscle
What is produced in the bone marrow
Blood cell
What is a keratinization? What is it used for
Keratinization is a process that hardens living cells. It is used to make the outer layer of the epidermis, as well as hair and nails
What two principal substances make up bone? What qualities do they each provide to the bone
Bones are made up of collagen and minerals. The collagen makes the bones flexible, while the minerals make them hard and strong
What is the difference between compact bone tissue and spongy bone tissue
Spongy bone tissue is lighter than compact bone tissue
Are bones alive?
Bones are alive
What is the difference between an invertebrate and a vertebrate? Is it possible to be neither
Vertebrates are animals with backbones.invertebrates are animals without backbones. It is possible to be neither
Are your arms part of the appendicular skeleton or the axial skeleton. What about your neck
The arm belongs to the appendicular skeleton, but the neck is a part of the axial skeleton
What is the difference between an endoskeleton and an exoskeleton? What do we call organisms with exoskeletons
An exoskeleton is a support structure that exists on the outside of an organism, while an endoskeleton is on the inside of the organism. Creatures with exoskeleton are called Arthropoda
Order the following joints in terms of increasing range of motion. Then order them in terms of increasing stability
Range: hinge, saddle, ball-and-socket.stability: ball-and-socket, saddle, hinge
What purpose do ligaments serve in the joints? What about cartilage
Ligaments tend to hold the bones of the joint together. Cartilage cushions the bones of the joint so that they do not rub painfully against each other
How do skeletal muscles attach to the skeleton
Skeletal muscles end in tendons,and the tendons attach to the skeleton
Describe how biceps and triceps work together to move the foream
In order to raise the forearm, the biceps contract while the triceps relaxes. To extend the forearm,the biceps relaxes while the triceps contract
Is the stomach composed of smooth muscle or skeletal muscle
The stomach is made of smooth muscles
A sunflower will actually turn throughout the days so that it follows the sun across the sky. What is the term we use to describe this
Phototropism
What are the two main functions of hair
Insulate and provide sensation
What are the two main functions of sweat
Sweat cools the body down and also provides food for beneficial bacteria and fungi which lives on your skin
Why do your skin cells constantly fall off your body
The cells on the outer layer are dead
What do the sebaceous glands produce, and what are the substance's two main purposes
The oil softens the skin and hair and also makes it hard for certain Bactria to attach themselves to your skin
Classify each as a mammal, bid, reptile, or amphibian

A.animal has hair

B. Animal breathes through its skin

C.animal has scales

D. Animal has feathers
A. Mammal

B.amphibian

C. Reptile

D. Bird