Question | Answer |
How many human body systems are there? | Eight |
Explain the path of food through the digestive system | Mouth, Esophagus, stomach, small intestine, large intestine, rectum, anus |
What happens to undigested foods? | It forms a solid mass called feces which is stored in the rectum for a short period of time. Feces leaves the body through the anus |
How long does it take for the journey of food to travel through the digestive system? | 24 to 33 hours |
Bile | A substance made in the liver that breaks down fats |
Gallbladder | The digestive organ that breaks down bile. |
What is the main organ of the circulatory system? | The heart |
What two systems make up the circulatory system? | The heart and blood vessels |
Artery | A blood vessel that carries blood away from the heart |
Vein | Blood vessel that carries blood to the heart |
Blood pressure | The force of blood against the walls of the blood vessels |
Plasma | The liquid part of blood |
Hemoglobin | A substance in red blood cells that carries oxygen |
Platelets | Tiny cell pieces that helps blood to clot |
Name are the four blood types | A, B, AB, and O |
Antibodies | A protein in plasma that fights disease. Antibodies help a person resist disease. |
White blood cells | White blood cells fight disease. |
How would the body be affected if blood had low levels of hemoglobin? | It may be hard for the person to breathe or walk. |