Exam 2

Question 1

4 functions of skeletal system

Answer 1

protects body parts, provides structure, produce blood cells, stores minerals

Question 2

Fibrous Joints

Answer 2

Fit closely together, held by connective tissue, ex between skull bones

Question 3

Cartilaginous Joint

Answer 3

Allows small amount of motion - ex front of pelvis

Question 4

Synovial Joint

Answer 4

Most mobile joints - Ex. shoulders, elbows, wrists

Question 5

What connective tissue structure connects muscle to bone

Answer 5

Tendons

Question 6

What connective tissue structure connects bone to bone

Answer 6

Ligaments

Question 7

Structure of Bone

Answer 7

Living tissue
Outer Layer - dense and strong
Inner Area - spongy bone

Question 8

Bone Healing after Fracture Steps

Answer 8

1. Blood clot forms
2. Cartilage forms to keep bones together
3. Osteoblasts stableness bone

Question 9

Two types of specialized bone cells

Answer 9

Osteoblasts: Bone Builders
Osteoclasts: Bone Eroders

Question 10

Bone Remodeling

Answer 10

Keeping bones strong, allowing calcium to be released into blood

Question 11

Weight Bearing exercises impact on bone density

Answer 11

Help bones get stronger - bones get thicker

Question 12

Weight Bearing exercises

Answer 12

Walking, running, jumping or dancing

Question 13

Vitamin D

Answer 13

Aiding calcium into bones - digestive system

Question 14

Vitamin K

Answer 14

Aiding movement of calcium into bones

Question 15

3 types of muscle tissues/ characteristics

Answer 15

Contractile: able to contract/shorten

Extensible: able to stretch

Elastic: returning to original length

Excitable: respond to input from nervous system

Question 16

Two essential functions of muscle system

Answer 16

Produces movement of body and produces heat

Question 17

Slow Twitch Muscles

Answer 17

Designed for endurance, don’t tire easily, found abundantly in posture muscles

Question 18

Fast Twitch Muscles

Answer 18

Tire quickly and more common in legs and arms

Question 19

Essential functions of cardiovascular system

Answer 19

Transport blood and substances around body

Question 20

Components of Blood

Answer 20

Plasma, red blood cells, white blood cells, platelets

Question 21

Plasma

Answer 21

Liquid blood

Question 22

Red Blood Cells

Answer 22

Contains hemoglobin and carry oxygen

Question 22

White Blood Cells

Answer 22

Fight infection and disease

Question 23

Arteries

Answer 23

Carry blood away from heart

Question 24

Veins

Answer 24

Carry blood towards heart

Question 25

Capillaries

Answer 25

Where substances are exchanged between blood and body's cells

Question 26

Structure of Heart

Answer 26

Four chambers, atria and ventricles

Question 27

Valves

Answer 27

Stops blood from flowing backwards

Question 28

Pathway for blood traveling between lungs and heart

Answer 28

Called pulmonary Circulation

Question 29

Stroke

Answer 29

When part of brain is blocked and deprived of oxygen

Question 30

Heart Attack

Answer 30

When heart muscle can not function due to lack of oxygen

Question 31

Respiratory System

Answer 31

Exchange respiratory (breathing) gases

Question 32

Upper Respiratory System Functions

Answer 32

Nose nasal), throat (pharynx), voice box (larynx)

Question 33

Lower Respiratory System

Answer 33

Trachea, bronci, bronchioles, alveoli

Question 34

Function of alveoli in lungs

Answer 34

Where gas exchange occurs

Question 35

Platelets

Answer 35

Essential for blood clotting

Question 36

Nasal Cavity

Answer 36

Sense of smell, warms incoming air, filters incoming air

Question 37

Trachea

Answer 37

Rings of cartilage keep airway open

Question 38

Alveoli

Answer 38

Place where gas exchange occurs (oxygen and carbon dioxide)