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What two nerves affect the rate of the heartbeat how are they affected?
sinoatrial node
What bacterial disease affects nerves?
Lyme disease and syphilis are two bacterial diseases that affect nerves.
What are the two factors that affect the rate of weathering?
texture composition
What are two injuries that affect the muscular system?
The primary injuries that affect the muscular system are strains and sprains. But inflammation and irritation of nerves is the biggest source of pain after injury.
What are two variables that can affect the survival rate of birds?
by the rate of population, types, habitats, and the numbers decreasing.
What two factors affect the rate acceraltion of an object?
force and speed
What are two names of the two phases of the heartbeat?
The two phases of the heartbeat are systole (contraction phase) and diastole (relaxation phase).
Name two thyroid hormones that affect metabolic rate?
Thyroxine and Triiodothyronine
What are 2 types of peripheral nerves?
The two types of peripheral nerves are somatic and autonomic nerves.
What is the conflict in the book heartbeat?
The conflict in the book heartbeat is about the two protagonist. The two protagonists support different political sides and ideas.
What are two other factors that affect the rate of the reaction?
The properties of reactants (reactivity) and catalytic behaviour
Name two rock characteristics and two climate factors that affect the rate of weathering?
Rock chemistry, and size. Temperature and wind.
