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1-2: Hierarchy

Interacting systems provide specific functions within multicellular organisms.

TermDefinition
interacting systems Different parts of the body that work together to keep us alive and healthy, like the digestion and circulatory.
nutrient uptake The process of absorbing nutrients from food, which our bodies use for energy, growth, and repair.
water delivery The process of moving water throughout the body to keep cells hydrated and help with various functions.
immune response The body's defense mechanism against harmful invaders like bacteria and viruses, involving cells and proteins that fight off infections.
response to stimuli How living things react to changes in their environment, like moving away from danger or adjusting to temperature changes.
hierarchical structural organization The way living things are organized from simple to complex levels, starting with cells, then tissues, organs, and systems.
disease A condition that disrupts normal body functions, often caused by infections, genetic issues, or environmental factors.
homeostasis The process by which the body maintains a stable internal environment, like keeping body temperature and pH levels balanced.
vaccinations Shots that help protect against diseases by training the immune system to recognize and fight specific germs.
antibiotics Medicines that kill or stop the growth of bacteria, helping to treat bacterial infections.
prevention Actions taken to avoid getting sick, like washing hands, eating healthy, and getting vaccinated.
treatment Medical care given to help cure or manage a disease or injury, like taking medicine or undergoing surgery.
pathogen anything foreign to the body that can cause an immune response
antigens proteins on the surface of cell membranes
antibodies Y-shaped proteins that bind to antigens on pathogen based on their shape
urinary system The system that removes waste from the blood and gets rid of it through urine. It helps keep the body’s water and salt levels balanced.
muscular system The system that helps the body move. It also helps with things like breathing and keeping your heart beating.
skeletal system the body system made of bones, cartilage, and ligaments that supports and protects the body
endocrine system The system of glands that make hormones. Hormones are chemicals that control growth, mood, and how the body uses energy.
nervous system The system that controls everything your body does. It sends messages between the brain and the rest of the body using nerves.
circulatory system The system that moves blood around the body. It carries oxygen, nutrients, and waste to and from the cells.
artery A blood vessel that carries blood away from the heart to the rest of the body.
blood A liquid tissue that moves through the body. It carries oxygen, nutrients, and waste, and helps fight infections.
nerve An organ that carries messages between the brain and the body so you can move, feel, and react.
muscle An organ that can tighten and relax to help you move.
gland A part of the body that makes and releases substances like hormones or sweat.
kidney An organ that filters waste from the blood and makes urine.
nephrons Tiny filters inside the kidneys that clean the blood and help make urine.
alveoli Thin walled air sacs surrounded by capillaries, where gas exchange occurs
small intestine long, narrow, folded tube that extends from the stomach to the large intestine; the site where chemical digestion and absorption of food occurs.
digestion breaking down of food into molecules small enough for diffusion
absorption diffusion of nutrients into bloodstream and cells
physiological related to how the body and its parts function
Created by: user-1948443
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