Unit 01 Respiratory, Circulatory, & Genetics

Question 1

artery

Answer 1

passageway of oxygenated blood

Question 2

veins

Answer 2

passageway of deoxygenated blood

Question 3

heart

Answer 3

the organ that helps circulate oxygen/pump blood throughout our body

Question 4

four chambers of the heart

Answer 4

Right Atrium, Right Ventricle, Left Atria, Left Ventricle

Question 5

diaphragm

Answer 5

contracts and flattens as we breathe

Question 6

dominant traits

Answer 6

the traits which manifest even when only one copy of gene is present

Question 7

epiglottis

Answer 7

a small flap of tissue in the pharynx that separates food and liquid particles and prevents them from going into the trachea

Question 8

trachea/windpipe

Answer 8

transports air to and from the lungs

Question 9

hemoglobin

Answer 9

the protein that gives blood its red hue; attracts oxygen

Question 10

heterozygous traits

Answer 10

hybrid traits; Tt

Question 11

homogenous traits

Answer 11

purebred traits; TT or tt

Question 12

nasal cavity

Answer 12

humidifies, warms, & filters inspired air

Question 13

phenotype

Answer 13

the observable/visible traits of an organism

Question 14

platelets

Answer 14

blood cells that help in the formation of blood clots

Question 15

stroke

Answer 15

occurs when there is a blood cutoff in the brain/ when there is a clogged artery in the brain

Question 16

white blood cells

Answer 16

helps fight off foreign substances and infections

Question 17

importance of white blood cells

Answer 17

fight diseases/pathogen

Question 18

pathogens

Answer 18

any organism that can cause diseases

Question 19

importance of oxygen

Answer 19

oxygen burns food to release energy

Question 20

pathway of blood (7)

Answer 20

vena cava –> RA –> RV –> Lungs –> LA –> LV –> Aorta

Question 21

pathway of air (4)

Answer 21

larynx –> trachea –> bronchi –> bronchioles

Question 22

effect on body (smoking)

Answer 22

• cilia will be damaged
  – failure to filter air

Question 23

effect on body (rapid breathing)

Answer 23

• more oxygen
  – removes CO2 faster

Question 24

effect on body (no clotting factors)

Answer 24

• blood loss
  – bleed to death

Question 25

effect on body (adrenaline)

Answer 25

• rapid heart beat/breathing
  – stroke volume increases