Body Structure Part 1

Question 1

What are cells

Answer 1

Basic unit of life

Question 2

What are cell types

Answer 2

Become different an embryo: do specialized functions

Question 3

What is tissue

Answer 3

Group of cells with the same function

Question 4

What are the four major types of tissue

Answer 4

Epithelia
Connective
Nervous
Muscle

Question 5

What is epithelial tissue

Answer 5

Sheets of tightly packed cells that cover the body or line internal organs

Question 6

Example of epithelial tissue

Answer 6

Skin, lining of organs multiple types in organs

Question 7

What is connective tissue

Answer 7

Support and connect tissues and organs

Question 8

Example of connective tissue

Answer 8

Cushion, insulate, and connects organs

Bones cartilage fat blood loose connective tissue

Question 9

What is nervous tissue

Answer 9

Transmits signals in the body in response to changes in the environment

Question 10

What is a neuron

Answer 10

The basic unit of a nervous tissue

Question 11

What is the muscle tissue

Answer 11

Aid in the movement of an organism as well as the transport of blood and food

Question 12

Which type of tissue can be voluntary or involuntary

Answer 12

Muscle

Question 13

What is a voluntary muscle

Answer 13

Are able to be controlled by your own well, these include the skeletal muscles

Question 14

What are involuntary muscles

Answer 14

Work without in conscious control of the organism these tissues include the cardiac tissue of the heart as well as the smooth muscle tissue in many other organisms

Question 15

What is an organ

Answer 15

Several tissues that do a job together

Question 16

What is an example of an organ

Answer 16

Eye, stomach, heart

Question 17

What is an organ system

Answer 17

A unit of multiple organs that together perform a vital body function

Question 18

What are the organ systems

Answer 18

Respiratory
Digestive
Urinary
Lymphatic
Circulatory
Integument
Skeletal
Muscular

Question 19

What is the function of the integument organ system

Answer 19

Covers and protects body
Regulate temperature
Excrete waste

Question 20

Function of the digestive system

Answer 20

Receives food, converts there molecules into forms that can pass through cell membranes, and eliminates materials that are not consumed

Question 21

What does the digestive system include

Answer 21

Mouth, tongue teeth salivary gland’s esophagus stomach liver gallbladder pancreas small and large intestines

Question 22

What is the function of the circulatory system

Answer 22

Transports oxygen and nutrients hormones and waste

Question 23

What is the function of the nervous system

Answer 23

Send receives and interprets signals

Question 24

What are the main organs of the nervous system

Answer 24

Brain
spinal cord
nerves and
sensory organs

Question 25

What are the main organs in the circulatory system

Answer 25

Heart | blood vessels

Question 26

What is homeostasis

Answer 26

Conditions of maintaining a stable internal environment in an organism

Question 27

How is homeostasis maintained

Answer 27

Negative feedback

Question 28

What is negative feedback

Answer 28

Body's response to stimulus that opposes the original ____

Question 29

What is irritability

Answer 29

Ability of a cell to respond to its environment

Question 30

In multicellular organisms the ______ and _____ Control the regulation and coordination of responses

Answer 30

Nervous and endocrine systems

Question 31

What is CNS

Answer 31

Central nervous system

Question 32

What is PNS

Answer 32

Peripheral nervous system

Question 33

The organs of the nervous system are divided into the

Answer 33

Central and peripheral

Question 34

Nonstructured

Answer 34

``` Cell body Dendrites Axon Myelin sheaths Axon terminal ```

Question 35

What is the cell body

Answer 35

Contains the organelles usually found in cells

Question 36

What are the dendrites

Answer 36

Small branches that provide receptive surface and send signal toward the cell body

Question 37

What is the axon

Answer 37

Arises from the cell body to pass the electrical signal, this signal is made by passing potassium and sodium ions across the membrane in an action potential

Question 38

What is myelin sheaths

Answer 38

May cover the axon to increase the speed of the action potential

Question 39

What is an axon terminal

Answer 39

Where electrical signals are passed to the next neuron as a synapse

Question 40

What is synapse

Answer 40

Branches of the axon convert electrical signal into chemicals

Question 41

Action of sending the signal is called a

Answer 41

Synapse

Question 42

What are sensory neurons

Answer 42

Receptors that detect internal and Extertal changes

Question 43

What are interneurons

Answer 43

Located entirely in the central nervous system that integrates sensory information and sends motor impulses

Question 44

Peripheral nervous system

Answer 44

Motor and sensory neurons that branch out throughout the body

Question 45

Central nervous system

Answer 45

Brain and spinal cord Cerebellum: voluntary thought cerebellum: coordinates muscle movement brainstem: ponds and medulla involuntary functions and connects to body

Question 46

Somatic

Answer 46

Voluntary examples are smell site taste or sound

Question 47

Autonomic

Answer 47

Involuntary

Question 48

Which kind of reflex happens with out the brain

Answer 48

Involuntary

Question 49

What are the levels of body structure organization

Answer 49

``` Atom Molecule Organelle Cell Tissue Organ Organ system Organism ```