Body systems and homeostasis

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Questions and Answers

Which of the following best describes the primary role of body systems in responding to a stimulus?

To prioritize immediate survival responses over long-term stability.
To amplify the effects of external stimuli on the body.
To maintain a stable internal environment through coordinated regulation. (correct)
To independently react to external changes without coordination.

Homeostasis refers to the body's ability to maintain a completely static internal environment, without any fluctuations.

False (B)

Define the term 'homeostasis' and briefly explain its significance for the human body.

Homeostasis is the maintenance of a stable internal environment in the body. It is crucial for optimal cell function and survival.

_______ glands secrete hormones directly into the bloodstream, affecting various bodily functions.

Endocrine Signup and view all the answers

Match the following glands with their respective secretion method:

Endocrine glands = Secrete hormones directly into the bloodstream Exocrine glands = Secrete substances through ducts Signup and view all the answers

Which of the following is an example of an exocrine gland?

Sweat gland (C) Signup and view all the answers

The primary function of hormones is to transport nutrients throughout the body.

False (B) Signup and view all the answers

Describe the main function of the human reproductive system.

The main function of the human reproductive system is to produce offspring through sexual reproduction. Signup and view all the answers

In males, sperm is produced in the _______.

testes Signup and view all the answers

Match the following male reproductive structures with their functions:

Testes = Produce sperm and testosterone Vas deferens = Transports sperm to the ejaculatory duct Urethra = Carries sperm out of the body during ejaculation Signup and view all the answers

In females, where does fertilization typically occur?

Fallopian tube (A) Signup and view all the answers

The uterus is where the egg is produced in females.

False (B) Signup and view all the answers

What is ovulation, and where does the released egg travel?

Ovulation is the release of an egg from the ovary. The egg travels through the fallopian tube towards the uterus. Signup and view all the answers

After fertilization, the egg implants in the _______, where it develops into a fetus during pregnancy.

uterus Signup and view all the answers

Match the following hormones with their primary role in regulating the menstrual cycle:

Estrogen = Regulates the development of female secondary sexual characteristics Progesterone = Prepares the uterus for implantation FSH (Follicle-Stimulating Hormone) = Stimulates the growth of ovarian follicles LH (Luteinizing Hormone) = Triggers ovulation Signup and view all the answers

Which hormone is primarily responsible for the development of male secondary sexual characteristics?

Testosterone (B) Signup and view all the answers

The menstrual cycle is directly regulated by testosterone levels.

False (B) Signup and view all the answers

Explain the role of feedback mechanisms in maintaining homeostasis.

Feedback mechanisms detect deviations from a set point and trigger responses to counteract them, restoring balance. Signup and view all the answers

The ______ system is one of the major systems that is involved in regulating and coordinating the body’s response to a stimulus.

nervous Signup and view all the answers

Match the component of the female reproduction system with the action that occurs there.

Ovaries = Produce eggs. Fallopian tubes = Provide a pathway for the egg to travel to the uterus. Uterus = Where the fertilized egg (zygote) implants Signup and view all the answers

Flashcards

Homeostasis

Maintenance of a stable internal environment despite external changes.

Glands

Organs that produce and secrete substances.