Science Revision 3 [FULL BOOK 2 REVISION 1st December - 28th January]]
Studied by 0 people
Call with Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/38
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
39 Terms
What is a Joint?
Where two or more bones meet.
An example of a living tissue that are made up of cells.
Bone
A group of similar cells working together for the same function
Tissue
What is the human skeleton system made out of?
It is made out of bones connected together by joints.
The Roles a skeleton does includes…
Protecting Vital Organs
Creates Red and white blood cells
Supports the body
What is a Zygote?
A fertilised Egg cell.
What is a smooth muscle?
Found in organs such as the stomach and the intestines and more involuntarily
What is contraction?
Shortening of the muscles, which requires energy
What is the cardiac muscle?
Found in the heart and moves involuntarily
Why do muscle cells have a lot of mitochondria?
So that the mitochondria can release energy for the muscle cell to contract.
What is a ligament?
Holds two or more bones together at a joint
what is a tendon?
Attaches muscle to a bone.
What is cartillage?
Strong,Smooth tissue that is found inside a joint.
What do Hinge joints allow the bones to do?
Allows to move it fowards and backwards
What do ball and socket joints allow for the bones to do?
Allows them to move in a circular motion
What do the Gliding allow for the bones to do?
Allows for them to slide past eachother.
Describe how muscle contraction leads to the movement of a bone.
Muscles are joined to bones by tendons. When a muscle contracts, it gets shorter and tighter. This pulls on the tendon, which pulls the bone and makes it move at a joint.
Muscles work in _______ Pairs
Antagonistic
What happens when you move your arm up or down?
When you move your arm up:
Bicep Contracts
Tricep relaxes
When you move your arm down:
Bicep relaxes
Tricep contracts
What is the definiton of Gas Exchange?
Oxygen diffusing from the lungs into the blood and carbon dioxide diffusing from the blood into the lungs.
What is the definition for heart rate?
The number of heart beats per minute.
What is respiration?
A chemical process in cells which uses sugar as a fuel to provide energy for life processes.
What are the Physical benefits of excerise?
Strengethed heart, Strong immune system, stronger muscles and bones, increased flexibility,
What are the Mental benefits of Excerise?
Being Happy, Better sleep, Better mood, Better self esteem, releases endorphins, reduces anxiety and stress
What are the social benefits?
Make new friends, stronger teamwork and belonging
What is the definiton for Pulse?
The heartbeat felt in a blood vessel
What is the definiton for recovery time.
The time it takes for a person’s heart rate to return to resting rate after excerise
What is the definiton of Resting pulse?
The pulse rate before excerising
Are bones made up of cells? [True or False Question]
Yes, They are.
How is bone a living tissue?
Because it can grow
Bones are living and need glucose and _______ for respiration. Fill in the blank!
Oxygen
What do we find inside the bone?
Bone marrow
What substance does bone marrow create?
Red and white blood cells
What is Starch?
Make up of glucose molecules, this is the main storage product in plants
What is chlorophyll
The green pigment in plant cells which is involved in photosynthesis.
What is glucose?
A simple sugar molecule which is one of the products of photosynthesis.
Why are plants green?
Because Chlorophyll is present with a green pigment which therefore leads to a plant becoming green.
What is glucose in the plants?
Used for respiration, stored as starch, used to build cell wall.
Carbon dioxide + ______ —→ glucose + _______
Water
oxygen
Note 
Flashcards (70)