health science - anatomy and physology

Question 1

what is open vs closed circulatory system?

Answer 1

Open circulatory system: It is primarily found in invertebrates. Here, the blood flows freely through cavities since there are no vessels to conduct the blood. Closed circulatory system: It is found in vertebrates and a few invertebrates, like earthworms. This system has vessels that conduct blood throughout the body.

Question 2

what is the first line of defence in an immune response?

Answer 2

The innate immune system is the body’s first line of defense against intruders.

Question 3

what is the second line of defence in an immune response?

Answer 3

Nonspecific innate response

Question 4

importance of hormones in the body, what is negative feedback?

Answer 4

Most hormones are controlled by negative feedback, in which the hormone feeds back to decrease its own production.

Question 5

how does your body regulate its tempature?

Answer 5

the hypothalamus regulates your body temperature, responding to internal and external stimuli and making adjustments to keep the body within one or two degrees of 98.6 degrees.

Question 6

what is the role of hormones?

Answer 6

help to control many body functions, such as growth, repair and reproduction.

Question 7

what is LH?

Answer 7

helps control the menstrual cycle

Question 8

what is FSH?

Answer 8

triggers the growth of eggs in the ovaries and gets the eggs ready for ovulation.