Warm up, training and cool down
Pacemaker is the correct answer
Answer:
Check to see if the driver and passengers are OK
call 911 and tell them the location of the crash
try to help the driver and passengers out of the car if possible
wait till medical arrives.
Explanation:
The primary reproductive organs are the gonads, which produce the gametes and hormones. The secondary, or accessory, structures transport and sustain the gametes and nurture the developing offspring. Organs of excretion include the skin , liver , large intestine , lungs , and kidneys (see Figure 16.2. 2). Together, these organs make up the excretory system . They all excrete wastes, but they don't work together in the same way that organs do in most other body systems.
