that secrete their products, hormones, directly into the blood rather than through a duct.
C.an emotion that is expressed by people in all cultures
Answer:
A. More blood is pumped through the body.
Explanation:
the amount of blood pumped through the body is noty based on cardiorespiratory.
Answer:
Yearly, I think it is about 10 thousand yearly. And about 1,000 montly.
Explanation:
Answer:
50 to 100 times each minute.
Explanation:
During activity or excitement, your body needs more oxygen-rich blood; the heart rate rises to well over 100 beats per minute. Medications and some medical conditions may affect how fast your heart-rate is at rest and with exercise