Athletes tend to have lower resting heart rates<span> because training programs that build speed, fitness, muscle and endurance also train your heart muscles to pump a </span>higher<span> volume of blood with each heartbeat.</span>
Skin muscle etc.yk look it up too :()
Hi! I believe the answer is B) Irregular.
Explanation: Irregular galaxies dont have a descriable shape.
Hope this helps!!
Payshence xoxo
Answer:
A response is a _reaction to a stimulus. • A stimulus is anything that can cause an individual to respond or react. • Stimuli can be _internal or external.
Explanation:
A change in the cellular make up of an organisms due to response or reaction to a stimulus is called a response. This response can be due to a stimulus inside the body , or due to effect of an external ( stimulus) object on the body-stepping on a sharp pin.
In either cases, the stimulus is receive by the receptors, which transfer the stimulus through the sensory neuron to the inter neuron in the CNS, for the motor neuron to bring an effective response at the effectors.
Answer: Tobacco/Smoke
Explanation:
When it goes into your lungs, it affects you causing a way to have difficulty breathing.