With Complete Solutions
What does HIV do to the immune system? correct answer: HIV directs formation of new viral parts. Then the viruses leave by budding or bursting through cell membranes. The white blood cells are destroyed
Describe the role of the human circulatory system. correct answer: Transports blood/ Oxygen to the rest of the body.
What are homologous structures, and how do they provide evidence for evolution? correct answer: Homologous structures point to similar structures from different organisms. These organisms may look similar but have different functions.
Ex. a Bat's wing vs. Human arms
This points to a common ancestor but the environment changes the function.
What are neurotransmitters, and where do they do their job? correct answer: Neurotransmitters are found in the synaptic gaps. Neurotransmitters are chemicals that transmit a nervous system's signal across a synapse.
How do hormones maintain homeostasis? correct answer: Hormones are a chemical messenger to target cell and affect cell
activity to create needed products to maintain homeostasis. Describe a feedback loop that controls the amount of sugar in the blood. correct answer: If there is sugar in the system, insulin
will be released from the pancreas to remove extra glucose in the blood. Insulin is not produced/released when there is no glucose to store.
AIDS affects ______ cells of the immune response. correct answer: White blood cells
The skin's role for the body is ___________. correct answer: protection/sensory organ
Describe one example of a consumer as it relates to a producer. correct answer: The cow, consumer, has to eat grass, the producer, to acquire energy because consumers are not capable of photosynthesis.
Animals that feed on plants are at the _______tropic level. correct answer: 2nd tropic level/Primary consumers
The site of gas exchange occurs ________. correct answer: Capillaries
What do white blood cells do in the immune system? correct answer: White blood cells attack the pathogen that causes infectious diseases
The biogeochemical cycle includes all of the following elements
___________. correct answer: Carbon, Nitrogen, Oxygen, Phosphorus, Water