Answer:
I hope this help! :)
Explanation:
Repetition is repeating a certain exercise. Sets within a workout is how many repeations you do at one time. For example you can do 5 squats, 3 times. The 5 squats are the repeations and the 3 times are the sets. It is important to do reps and sets to build up endurance and gain muscle over time. I hope this helps!
Answer:
True
Explanation:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.
Explain the role of Calcium(Ca+) in askeletal muscle contraction. Role of calcium { Ca++}: By BONDING to the TROPONIN it causes the TROPOMYOSIN to MOVE from its blocking position on the active sites on the actin filaments SO the CROSS BRIDGES CAN ATTACH.
My personal, tentative wild guess is: <em>apnea</em>
Answer:
Contagious
Explanation:
"Contagious adjective
con·ta·gious | \ kən-ˈtā-jəs \
Definition of contagious
1: transmissible by direct or indirect contact with an infected person
contagious diseases
contagious intestinal illness
contagious skin rash
contagious viruses
2: bearing contagion
contagious people
3: used for contagious diseases
a contagious ward
4: exciting similar emotions or conduct in others
contagious enthusiasm
contagious laughter"
