Circulation & Plant Transport
These blood vessels have thin walls and large surface area for exchange.
What are capillaries?
Pathogens cause:
What are infectious diseases?
These specialized cells transmit electrical impulses.
What are neurons?
This process in the body maintains a stable internal environment in an organism.
What is homeostasis?
This type of reproduction involves fusion of gametes.
What is sexual reproduction?
These blood vessels carry blood away from the heart under high pressure.
What are arteries?
These immune cells engulf and digest pathogens.
What are phagocytes?
These structures on a neuron promote saltatory conduction.
What is the myelin sheath?
This type of feedback loop helps correct changes from the norm.
What is negative feedback?
This organ produces eggs in the female reproductive system.
What is the ovary?
Pulse rate is a measure of:
What is heart rate or the number of heartbeats per minute?
B-lymphocytes multiply into plasma cells to produce these.
What are antibodies?
This neurotransmitter is released at the synapse.
What is acetylcholine?
Blood glucose is regulated by these two hormones.
What are insulin and glucagon?
These flower characteristics attract insect pollinators.
What are bright petals, scent, or nectar?
These plant vessels have thickened walls and no cytoplasm for efficient water transport.
What are xylem vessels?
This virus can lead to the infection of lymphocytes, compromising immune system functionality.
What is HIV? (Can lead to AIDS)
This hormone prepares the body for sudden activity. (Fight or flight)
What is epinephrine (adrenaline)?
Type 1 diabetes is caused by this failure.
What is destruction of insulin-producing cells in the pancreas?
This organ is where the released egg gets fertilized in women.
What are the fallopian tubes?
The occlusion of coronary arteries due to plaque buildup can lead to this.
What is a heart attack?
Herd immunity protects a population by:
What is reducing the spread of disease when most individuals are immune?
During the refractory period of an action potential, this happens to two ions.
What is Na+ pumped out and K+ in via the sodium-potassium pump? (active transport)
To thermoregulate, the body does this to cool down in response to overheating.
What is sweating or vasodilation?
These two hormones are administered during in vitro fertilization (IVF) to promote follicle growth and ovulation.
What are FSH and LH?