Human body systems chapter 1

Question 1

Cell

Answer 1

the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body

Question 2

Tissues

Answer 2

A group or layer of cells that work together to perform a specific function

Question 3

Organs

Answer 3

a collection of tissues that structurally form a functional unit specialized to perform a particular function.

Question 4

Organ System

Answer 4

a collection of tissues that structurally form a functional unit specialized to perform a particular function.

Question 5

Organism

Answer 5

something having many related parts that function together as a whole

Question 6

Skeletal muscle

Answer 6

found throughout the body and functions to contract in response to a stimulus.

Question 7

Nutrient

Answer 7

A chemical compound (such as protein, fat, carbohydrate, vitamin, or mineral) contained in foods

Question 8

absorption

Answer 8

The process by which one thing absorbs or is absorbed by another.

Question 9

gland

Answer 9

An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk.

Question 10

stimulus

Answer 10

a thing or event that evokes a specific functional reaction in an organ or tissue.

Question 11

hormone

Answer 11

chemical substances that act like messenger molecules in the body

Question 12

Homeostasis

Answer 12

A state of balance among all the body systems needed for the body to survive and function correctly.

Question 13

The ___________ forms the outside of the cell

Answer 13

cell membrane

Question 14

A _________________ is a chemical that can control one or more body processes

Answer 14

Hormones

Question 15

Hinge joint

Answer 15

elbow and knee ect.

Question 16

What is a joint that works like a hinge

Answer 16

Knee elbow ect.

Question 17

When you touch a hot pan and take it off how did your nervous system function

Answer 17

It had a stimulus reaction.

Question 18

Under what circumstance would your body release adrenaline

Answer 18

sudden stress

Question 19

Endocrine system

Answer 19

made up of glands that make hormones. Hormones are the body’s chemical messengers. They carry information and instructions from one set of cells to another.

Question 20

Bone tissue and fat tissue are examples of

Answer 20

Connective tissue

Question 21

How is a tissue different from a organ?

Answer 21

Tissue is built up of cells but organs are made up of tissue. They are both apart of the human body.

Question 22

What is the smallest level of body organization?

Answer 22

cells

Question 23

Cells that have the same function form ________.

Answer 23

tissues

Question 24

Your elbow is an example of a _______ joint.

Answer 24

hinge

Question 25

Your body systems work together to maintain steady internal conditions, or ___________.

Answer 25

Homeostasis

Question 26

A signal in the environment that makes you react is called a __________.

Answer 26

Stimulus

Question 27

A _______ is what your body does in reaction to a stimulus.

Answer 27

responce

Question 28

Nutrients move from the digestive system into the bloodstream by ___________.

Answer 28

Absorption

Question 29

The reaction of your body to possibly threatening, challenging or uncomfortable events is called __________.

Answer 29

stress

Question 30

A substance that you get from food that your body needs to carry out processes.

Answer 30

Nutrients

Question 31

this system brings in oxygen and removes carbon dioxide from the body.

Answer 31

Repository system

Question 32

This system supports the body, protects internal organs, allows movement and produces blood cells.

Answer 32

skeletal system