SCIENCE TEST

Question 1

What are the five functions of the skeletal system

Answer 1

• Give shape and support to the body
• Protect internal organs
  -Attach to major muscles
  -Form blood cells
• Store minerals

Question 2

What is the periosteum

Answer 2

A tough rigid membrane that cover the bone

Question 3

What is the compact bone

Answer 3

A solid, strong later of bone under the periosteum

Question 4

What is spongy bone

Answer 4

Small open spaces in the middle of the bone

Question 5

How many bones are in the human body

Answer 5

206

Question 6

What is the axial skeleton

Answer 6

mid-bone bones, ribs, skull, vertebrae

Question 7

What is the appendicular skeleton

Answer 7

arms, letfs, shoulders, and pelvis - 126 bones

Question 8

What is a joint

Answer 8

anyplace where two or more bones ,meet

Question 9

What is a ligament

Answer 9

A tough band of tissue that holds bones together

Question 10

What is a tendon

Answer 10

Connects muscle to bones

Question 11

What is arthritis

Answer 11

Inflammation of the joints

Question 12

What are muscles

Answer 12

An organ that can relax and contact to produce movement- there are 650 of them

Question 13

What are voluntary muscles

Answer 13

muscles that you are able to control

Question 14

What are involuntary muscles

Answer 14

Muscles that you are able to control

Question 15

What is skeletal muscles

Answer 15

Moves bones - most common

Question 16

What is cardiac muscle

Answer 16

Striated with intercalated discs

Question 17

What is smooth muscle

Answer 17

Located in internal organs

Question 18

What is the epidermis

Answer 18

Outermost, thinnest layer of skin composed of dead skin cells that flake off

Question 19

What is the dermis and what does it contain

Answer 19

Middle things layer contains: blood vessels, herves, oil, sweat glands

Question 20

What are subcutaneous fat

Answer 20

Insulates the body

Question 21

What are the five functions of the integumentary system

Answer 21

-Protection from injury, water loss,and disease
-Sensory response
-Formation of vitamin D
- Regulation of body temperature
- Elimination of wastes through the skin

Question 22

What is a bruise

Answer 22

Blood vessels in the dermis burst and leak into surrounding tissue

Question 23

What is Acne

Answer 23

Blocked skin follicles

Question 24

What is frostbite

Answer 24

Freezing of skin and underlying tissue

Question 25

What does our nervous system do

Answer 25

Helps your body adjust to your environment

Question 26

What is a neuron and what are the three types of neurons

Answer 26

Information messengers cells that carry impulses - sensory, motor, interneurons

Question 27

What is the central nervous system

Answer 27

Comprised of the brain and spinal cord

Question 28

What does the cerebrum do

Answer 28

Interpets information

Question 29

What is the brian

Answer 29

Coordinates all of your body activities

Question 30

What does the cerebellum do

Answer 30

Responsible for interpreting stimuli

Question 31

What does the brainstem do

Answer 31

Connects the brain to the spinal cord

Question 32

What is the spinal cord

Answer 32

Comprised of bundles of nerve cells that carry impulses

Question 33

What is the peripheral nervous system

Answer 33

Connects the brain and spinal cord to the rest of the body

Question 34

What is a concussion

Answer 34

Traumatic brain injust that can affect brain function

Question 35

What is the function of the digestive system

Answer 35

Digestion is the breaking down of food into nutrients

Question 36

What are the four main digestive organs

Answer 36

Mouth, Stomach, Small intestine, Large intestine

Question 37

What does the saliva do to our food

Answer 37

Breaks down chemicals in the food and also moisturizes it making it smaller

Question 38

What does the esophagus do?

Answer 38

Moves food through the back of your throat and down into the stomach

Question 39

What two parts does the esophagus connect to

Answer 39

your pharynx to your stomach.

Question 40

What does the stomach do

Answer 40

Holds the food and mixes it with acid and enzymes

Question 41

What does the small intestine do

Answer 41

Breaks down food even more so that your body can absorb all the vitamins

Question 42

What does the large intestine do

Answer 42

Absorption of water from the indigestible residue of food

Question 43

What does the pancreas do

Answer 43

Makes jucies that help the body digest fats and proteins

Question 44

What does the liver do

Answer 44

Filters out harmful substances

Question 45

What type of structure is the appendix

Answer 45

muscular structure

Question 46

What are the two types of carbohydrates

Answer 46

Sugars and fibers