Circulatory System 1 - Week 2 Notes

Question 1

Main functions of circulatory system

Answer 1

• supply oxygenated blood to all areas
• transport nutrients to cell of body
  -removes waste
  -fights infection
• help temperature regulation
• Blood clotting helps in healing process

Question 2

Pulmonary artery travels

Answer 2

away from the heart to the lungs

Question 3

Pulmonary vein travels

Answer 3

blood to the heart

Question 4

Components of the circulatory system

Answer 4

Heart
Blood
Blood vessels

Question 5

Heart has four chambers

Answer 5

• Two at the atria
• two at the ventricles

Question 6

Blood travel directions

Answer 6

• blood vessels coming into the heart come in via the left atria

Question 7

Blood travel direction

Answer 7

Leaves Lungs pulmonary vein to heart via the ( left atria ) then out of the left ventricle
Then exchange or gases and entered into the right atrium and out of the right ventricle back through the pulmonary artery back to the lungs

Question 8

Circulatory pathways

Answer 8

Pulmonary circulation
-to lungs and return
systemic circulation
- to rest of body and return

Question 9

These stop the back flow of blood into Veins

Answer 9

Valves

Question 10

A wave of artery wall expansion caused by heartbeat

Answer 10

Pulse

Question 11

Largest or al veins

Answer 11

Vena cava

Question 12

Muscle that separates the left side to the right side of the heart

Answer 12

Septum

Question 13

Average human body had how many litres of blood in body

Answer 13

4-5

Question 14

Yellow watery component of blood is

Answer 14

Plasma

Question 15

Only artery that carries de-oxygenated blood is

Answer 15

Pulmonary artery

Question 16

Pulse site in neck is

Answer 16

Carotid

Question 17

Pulse site in wrist

Answer 17

Radial