CFA #6 Redo 24-25

Front

What is the role of internal feedback mechanisms in regulating body temperature?

Back

Internal feedback mechanisms help maintain homeostasis by adjusting body temperature in response to changes in the environment.

Front

How do white blood cells contribute to the healing process after an injury?

Back

White blood cells are transported to the site of injury through increased blood flow, where they help fight infection and promote healing.

Front

Which body systems are primarily involved in the fight-or-flight response?

Back

The nervous and endocrine systems are primarily involved in the fight-or-flight response, increasing heart rate and alertness.

Front

What is the relationship between the respiratory and circulatory systems during physical activity?

Back

During physical activity, the respiratory system increases breathing rate while the circulatory system increases blood flow to deliver more oxygen to muscles.

Front

Define vasodilation and its effect on body temperature.

Back

Vasodilation is the widening of blood vessels, which increases blood flow to the skin and helps lower body temperature.

Front

What is the function of the circulatory system in response to injury?

Back

The circulatory system increases blood flow to the site of injury, delivering nutrients and immune cells to aid in healing.

Front

Explain how the skeletal system supports movement during a chase.

Back

The skeletal system provides structure and support, allowing muscles to contract and facilitate movement during a chase.

Front

What is the significance of calcium in muscle contraction?

Back

Calcium ions are essential for muscle contraction as they enable the interaction between actin and myosin filaments.

Front

How does the endocrine system prepare the body for stress?

Back

The endocrine system releases hormones like adrenaline that increase heart rate and energy availability during stress.

Front

What is homeostasis and why is it important?

Back

Homeostasis is the maintenance of a stable internal environment, crucial for the proper functioning of cells and overall health.