cardiovascular, thermoregulatory, fatigue

Question 1

functions of the CV system

Answer 1

• deliver O2 & nutrients to all tissues
• remove products of metabolism
• control heat flux within the body
• circulate hormones around the body

Question 2

Production of heat from metabolism:

Answer 2

• useful in the cold
• challenging in hot & humid environments

Question 3

sweat ________ promotes _____ _____
& limits the rise in core temperature

Answer 3

evaporation
heat loss

Question 4

fatigue partial causes:
- ex 1-2 min
- ex 2-10 min
- ex 1-3hr

Answer 4

• decreases CP
• increases H+
• decreases muscle glycogen & increases core temperature

Question 5

Strength training adaptations:

Answer 5

synthesis of actin & myosin -> muscles bigger
& stronger

Question 6

Endurance training adaptations:
- heart pumping capacity ______
- _____ volume & ___ mass increases -> total __ carrying capacity increases
- increases _______ of muscles -> distance for O2 & nutrients to move from blood to muscle fibres _____
- ________ mass increases -> enzymes for ____&_____ oxidation increases

Answer 6

• increases
• blood, RBC, O2
• capillarisation, decreases
• mitochondrial, CHO & fat