The Heart

Question 1

Name the component of the blood that starts the process of blood clotting

Answer 1

Platelet

Question 2

Why does a person with a leaking valve have difficulty excercising

Answer 2

-reduced blood flow(blood flows backwards instead of too the heart)
-meaning reduced oxygen in blood making it hard to do physical exercises
-respiration

Question 3

What type of pathogen causes malaria

Answer 3

Protist

Question 4

How does the human body defend itself against pathogens entering the body

Answer 4

-white cells
-memory cells
-nose hair (sneezing)
-sweat
-mucus
-digestive system (stomach acid)