Answer:
The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. ... They act as one-way inlets of blood on one side of a ventricle and one-way outlets of blood on the other side of a ventricle.
Explanation:
I need more information to answer the question
Infectious diseases are transmitted from person to person by direct or indirect contact. Certain types of viruses, bacteria, parasites, and fungi can all cause infectious disease. Malaria, measles, and respiratory illnesses are examples of infectious diseases.
Reaction time, speed, and power are the most important skill-related fitness components that every sprinter must excel at during the race.
Strength is defined as the ability to generate force (lifting heavy weights) speed: the ability to move quickly (sprinting) Endurance is the ability to withstand fatigue (running a marathon) Flexibility is the ability to achieve a wide range of motion at the joints (doing a split) Power is defined as the ability to exert maximum muscular contraction in an explosive burst of movements. Strength and speed are the two components of power. (For example, jumping or a sprint start) Aerobic endurance is also known as cardiovascular endurance. Marathon runners and distance cyclists need a high level of aerobic endurance to be able to work for an extended period of time during a race.
Learn more about strength here-
brainly.com/question/14378830
#SPJ4
