Often occurs in elderly people where cartilage has worn away allowing bones to rub together
Arthritis
The number of bones in an adult human
206
Which organ does digested food go to after absorption?
Small intestine
The part of the digestive system where water is absorbed
The colon, the first part of the large intestine
Organ system that transports oxygen and food around your body
Circulatory system
Holds tissues together and supports them
Connective tissue
The tearing of ligaments caused when a joint is forced beyond its degree of motion
Sprain
Is bone living or dead material?
Give 2 reasons to justify your answer.
Bone is alive.
It contains blood vessels, nerves and bone cells.
The tube food passes down after it is swallowed.
Esophagus
The largest organ in the body
The liver
The function of a nucleus in a cell
Controls the activities of the cell
Explain why muscles contain a lot of mitochondria
Mitochondria are the powerhouse of the cell, they produce energy by respiration. Muscles contain a lot of mitochondria because they need a lot of energy to make the body move.
Two muscles working in pairs to effect movement in a part of the body
Antagonistic pair
a. heart
b. tricep
c. stomach
a. involuntary
b. voluntary
c. involuntary
The average length of time that food remains in the stomach
4 hours
Brings nutrients and oxygen to all parts of the body!
blood cells
Cells changing in size and structure to carry out a particular function
The characteristic of living things coordinated by the nervous and endocrine systems.
Irritability
The rhythmic contraction and relaxing of smooth muscles occurring throughout the digestive tract
Peristalsis
A membrane that produces and oily fluid that lubricates joints and reduces friction between two bones
Synovial Membrane
The place in the digestive system where gastric juice is produced
Gastric glands in the walls of the stomach
Constipation is a condition that affects the digestive system. What are 2 things we can do to avoid or help alleviate constipation?
Eat a diet rich in fruits, whole grains and vegetables.
Drink lots of water.
The 7 characteristics of living things
Movement, excretion, reproduction, respiration, irritability, nutrition, growth
The smallest living structures in the body that protect it against disease
White blood cells
This joint allows movement up and down, and side to side. It is found between the first 2 vertebrae.
Pivot joint
Name 5 bones in the upper part of the body and give their location.
The small intestine is long, what is the effect of this feature?
Gives plenty of time for digestion and absorption to be completed
What vitamin is made by bacteria in the large intestine?
Vitamin K
The powerhouse of a cell which produces energy by respiration
Mitochondrion
Which body system is responsible for maintaining homeostasis?
it was a trick! all of them work together to keep our body balanced and healthy!