Activate 1 - Chapter B2 - Body Systems

Question 1

Trachea

Answer 1

The trachea has rings of cartilage to keep it open.

Question 2

Ribcage

Answer 2

Ribcages are bones that protects the lungs.

Question 3

Diaphragm

Answer 3

It is a sheet of muscle that is used in breathing.

Question 4

Alveolus

Answer 4

It is a structure inside the lungs. (Air Sac)

Question 5

Rib

Answer 5

Ribs are bones that protects the lungs

Question 6

Lung

Answer 6

Lungs is where gas exchange happens.

Question 7

Gas Exchange

Answer 7

The transfer of gases between an organism and its environment.

Question 8

Respiratory System

Answer 8

The organs involved in gas exchange.

Question 9

Cell

Answer 9

The smallest function unit in an organism - the building block of life

Question 10

Tendon

Answer 10

Joins a muscle to a bone

Question 11

Tissue

Answer 11

A group of similar cells working together to perform a function

Question 12

Organ

Answer 12

A group of tissues working together to perform a function.

Question 13

Organ System

Answer 13

A group of organs working together to perform a function.

Question 14

Cartilage

Answer 14

The strong, smooth tissue that covers the end of bones to prevent them rubbing together.

Question 15

Ligament

Answer 15

Joins two bones together

Question 16

Bone

Answer 16

A tissue that forms a hard structure, used to protect organs and for a movement.

Question 17

Joint

Answer 17

A part of the skeleton where two bones join together.

Question 18

Antagonistic Pairs

Answer 18

A pair of muscles that work together to control movement at a joint - as one muscle contracts, the other relaxes.

Question 19

Respiration

Answer 19

A chemical reaction where food and oxygen are converted into energy, water, and carbon dioxide.

Question 20

Inhale

Answer 20

Breathing in, to take oxygen.

Question 21

Exhale

Answer 21

Breathing out, to remove carbon dioxide.

Question 22

Synovial Fluid

Answer 22

Synovial fluid is a fluid that lubricates the joint.

Question 23

Multicellular Organism

Answer 23

An organism made up of many cells

Question 24

Skeleton

Answer 24

All the bones in an organism

Question 25

Newton

Answer 25

The unit of force (symbol N)