The process called menstruation.
Answer: Shivering
Explanation:
Homeostasis is the body ability to maintain the internal conditions stable and constant with respect to the changes occurring in the external environment. Shivering is a response shown by the body with respect to external cold environment. It is a tendency of the body to maintain it's internal temperature constant. It is the way by which the body produces heat to survive in cold weather conditions.
Answer:
300,000 years ago
Explanation:
Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.
According to the question, the width of a pin is 0.001m and the width of a red blood cell is 6-8 μm.
Width of pin in μm = 1000μm.
So approximately 1000/8 red blood cells can fit which is equal to 125 RBCs.
Answer: 125 RBCs
