In developed countries, the birth and death rate are low, whilst in developing countries, both the rates are high. Developed countries usually are more industrialized and have higher per capita income levels, whereas developing countries, are less industrialized and have lower per capita income levels.
Answer:
60-100 beats per minute
Explanation:
Your heart beats due to blood being pumped into it. It also requires assistance from the lungs.
Answer:
Explanation:
I need to get in shape so I will run the mile.
All of the above is your answer
Abnormal sperm production or function due to undescended testicles, genetic defects, health problems such as diabetes or infections such as chlamydia, gonorrhea, mumps or HIV. Enlarged veins in the testes can<span> also affect the quality of sperm</span>