Answer:
Options B and D
Explanation:
In animals, gaseous exchange takes place in the alveoli in the lungs. Generally, animals breath-out (exhale) carbon dioxide and breath-in (inhale) oxygen. Thus, carbon moves from the blood in the form of carbon dioxide into the alveoli in the lungs while the oxygen inhaled moves from the alveoli in the lungs to the blood where it is transported round the body as oxyhaemoglobin.
Answer:
TRUE When joints are not regularly moved, muscles shortens and flexibility decreases ... moving the joints beyond the accustomed range of motion ... (Muscle tissue has elastic properties & responds to stretching exercises by undergoing ...
Explanation:
you have to study
True. It helps relieve stress
The main function of the muscular system is to move
A stopwatch is a device that can be used to monitor speed.