Biology - 10a - Body Systems

1. Which 4 body systems interact to allow a person to sneeze?

Musclar, immune, nervous, respiratory

Nervous, repiratory, ciculatory, skeletal

Repiratory, endocrine, skeletal, circulatory

Lymphatic, skeletal, respiratory, muscular

The correct answer is muscular, immune, nervous, respiratory. These four body systems interact to allow a person to sneeze. The muscular system is involved in the contraction of the muscles involved in sneezing, such as the diaphragm and intercostal muscles. The immune system plays a role in detecting and responding to any potential irritants or allergens that may trigger a sneeze. The nervous system coordinates the signals between the brain and the muscles involved in sneezing. Lastly, the respiratory system is responsible for the intake of air and the expulsion of the sneeze.

Explanation

The correct answer is muscular, immune, nervous, respiratory. These four body systems interact to allow a person to sneeze. The muscular system is involved in the contraction of the muscles involved in sneezing, such as the diaphragm and intercostal muscles. The immune system plays a role in detecting and responding to any potential irritants or allergens that may trigger a sneeze. The nervous system coordinates the signals between the brain and the muscles involved in sneezing. Lastly, the respiratory system is responsible for the intake of air and the expulsion of the sneeze.

2. The feedback mechanism in the human body is show. Based on the diagram, which 2 systems interact to maintain homeostasis?

The nervous and reproductive systems work together to stimulate the production of insulin

The circulatory and endocrine systems work together to keep blood sugar levels constant

The excretory and nervous systems work together to convert glycogen into glucose

The immune and circulatory systems work together to circulate blood through the pancreas

The circulatory system and the endocrine system work together to maintain homeostasis by regulating blood sugar levels. The circulatory system transports hormones produced by the endocrine system, such as insulin, to target cells throughout the body. Insulin helps regulate blood sugar levels by allowing cells to take in glucose from the bloodstream. This interaction between the circulatory and endocrine systems ensures that blood sugar levels remain constant, which is essential for the proper functioning of the body.

Explanation

The circulatory system and the endocrine system work together to maintain homeostasis by regulating blood sugar levels. The circulatory system transports hormones produced by the endocrine system, such as insulin, to target cells throughout the body. Insulin helps regulate blood sugar levels by allowing cells to take in glucose from the bloodstream. This interaction between the circulatory and endocrine systems ensures that blood sugar levels remain constant, which is essential for the proper functioning of the body.

3. The female reproductive and endocrine systems work interactively for which main purpose?

To maintain homeostasis by removing waste products from the body

To release neurotransmitters during times of stress

To control hormone levels to prepare the body for pregancy

To exchange gases to support cellular aerobic respiration

The female reproductive and endocrine systems work interactively to control hormone levels and prepare the body for pregnancy. This is because the endocrine system produces hormones that regulate the menstrual cycle, ovulation, and pregnancy. The reproductive system, on the other hand, includes organs such as the ovaries and uterus that are responsible for producing and nurturing eggs, as well as supporting the growth and development of a fetus during pregnancy. Therefore, the main purpose of the interaction between these systems is to ensure the proper hormonal balance and prepare the body for pregnancy.

Explanation

The female reproductive and endocrine systems work interactively to control hormone levels and prepare the body for pregnancy. This is because the endocrine system produces hormones that regulate the menstrual cycle, ovulation, and pregnancy. The reproductive system, on the other hand, includes organs such as the ovaries and uterus that are responsible for producing and nurturing eggs, as well as supporting the growth and development of a fetus during pregnancy. Therefore, the main purpose of the interaction between these systems is to ensure the proper hormonal balance and prepare the body for pregnancy.

4. The fuzzy millipede, Polyxenus fasciculatus, is found in Texas and is preyed upon by most species of ants. To protect itself against the ants, it ejects fibers from a tuft located at the tail end of its body. The tufts have hooks at the tips and barbs along their length that lock and interlink with the ant's setae, small hairs that cover the body of the ant. When an ant attacks, the millipede flexes its back end toward the ant and wipes the tufts against it. As the ant attempts to remove the tufts, it entangles itself more, becoming immobilized.

Muscular and integumentary

Immune and muscular

Integumentary and endocrine

Endocrine and immune

The correct answer is muscular and integumentary. The explanation is that the fuzzy millipede uses its muscles to flex its back end and wipe the tufts against the attacking ant. This action helps to entangle the ant in the fibers, immobilizing it. The integumentary system, which includes the millipede's skin and its specialized tufts, plays a role in this defense mechanism by providing the physical structure and tools necessary to trap the ant.

Explanation

The correct answer is muscular and integumentary. The explanation is that the fuzzy millipede uses its muscles to flex its back end and wipe the tufts against the attacking ant. This action helps to entangle the ant in the fibers, immobilizing it. The integumentary system, which includes the millipede's skin and its specialized tufts, plays a role in this defense mechanism by providing the physical structure and tools necessary to trap the ant.

5. Which 2 body systems must directly interact for vertebrate organisms to exchange gases?

Skeletal system and muscular system

Excretory system and reproductive system

Circulatory system and respiratory system

Digestive system and immune system

The circulatory system and respiratory system must directly interact for vertebrate organisms to exchange gases. The respiratory system is responsible for the intake of oxygen and the removal of carbon dioxide, while the circulatory system transports these gases to and from the cells throughout the body. This interaction allows for the exchange of oxygen and carbon dioxide between the lungs and the bloodstream, ensuring that oxygen is delivered to the cells and carbon dioxide is removed from the body.

Explanation

The circulatory system and respiratory system must directly interact for vertebrate organisms to exchange gases. The respiratory system is responsible for the intake of oxygen and the removal of carbon dioxide, while the circulatory system transports these gases to and from the cells throughout the body. This interaction allows for the exchange of oxygen and carbon dioxide between the lungs and the bloodstream, ensuring that oxygen is delivered to the cells and carbon dioxide is removed from the body.

6. How do the circulatory system and immune system work together to respond to an injury?

Increased blood flow kills healthy cells which prevents infection at the site of the injury

Increased blood flow removes infected cells from the body at the site of the injury

Increased blood flow carries white blood cells to the site of the injury

Increased blood flow allows for an increase in the exchange of O2 and CO2 at the site of the injury.

The circulatory system and immune system work together to respond to an injury by increasing blood flow, which allows for an increase in the exchange of oxygen and carbon dioxide at the site of the injury. This increased blood flow also carries white blood cells to the site of the injury, which are responsible for fighting off infection and promoting healing. Therefore, the increased blood flow plays a crucial role in the immune response to an injury.

Explanation

The circulatory system and immune system work together to respond to an injury by increasing blood flow, which allows for an increase in the exchange of oxygen and carbon dioxide at the site of the injury. This increased blood flow also carries white blood cells to the site of the injury, which are responsible for fighting off infection and promoting healing. Therefore, the increased blood flow plays a crucial role in the immune response to an injury.