Carcinogen i think this is the answer
Answer:
C
Explanation:
The blunde of His is an agruppation of neurons that are localized on the ventrical walls of the heart. It's mision is to transmit the nervous signals that come from the sinoatrial node that is located on the left atria of the heart, to the muscles that form the vertix of this organ, making them contract.
The answer is C: a collection of heart muscle component specializing in electrical conduction that allow the ventricles to contract.
Answer: menstruation
Explanation: the process in a female of discharging blood and other materials from the lining of the uterus at intervals of about one lunar month from puberty until menopause, except during pregnancy.
Answer:
I think it is D if it’s wrong I’m sorry
Answer:
Rotational Fans and a Doorknob
Explanation:
The doorknob since it is in motion do to you turning it and rotational fans since they generate mechanical energy do to their motion.
