7C Muscles and bones Flashcards Preview

Year 7 > 7C Muscles and bones > Flashcards

Flashcards in 7C Muscles and bones Deck (18)
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1
Q

Describe the four main functions of the skeleton.

A
  • to support the body
  • to protect some of the vital organs of the body
  • to help the body move
  • to make blood cells
2
Q

Give an example of how the skeleton supports the body.

A

Without a backbone we would not be able to stay upright.

3
Q

Give an example of how the skelton protects the body.

A
  • the skull protects the brain
  • the ribcage protects the heart and lungs
  • the backbone protects the spinal cord
4
Q

Name the blood cells that are made in the bone marrow.

A

Red and white blood cells.

5
Q

State the function of Red Blood Cells.

A

Carry oxygen around the body in the blood

6
Q

State the function fo white blood cells.

A

Involved in destroying harmful microorganisms in your body.

7
Q

Where are Red Blood Cells and White Blood Cells made?

A

These cells are made in the bone marrow. This is soft tissue inside our larger bones which is protected by the hard part of the bone which surrounds it.

8
Q

What happens to your breathing rate as you exersise?

A

Increases

9
Q

What happens to your pulse rate as you exersise?

A

Increases

10
Q

Name muscles A and B.

A

A - Tricep

B - Bicep

11
Q

What is meant by the term antagonistc muscles?

A

A pair of muscles that act on a joint. As one contracts, the other one relaxes.

12
Q

State the function of blood plasma.

A

Plasma is a straw-coloured liquid. It transports dissolved substances around the body, including:

  • hormones
  • nutrients, such as water, glucose, amino acids, minerals and vitamins
  • waste substances, such as carbon dioxide and urea
13
Q

Describe what happens when we inhale. (Breath in)

A

When we breathe in…

14
Q

Describe in detail what happens when we exhale. (Breath out)

A

When we exhale…

15
Q

State the function of muscle cells.

A

Muscles contract, bringing about movement.

16
Q

Define a drug.

A

Drugs are chemicals that can alter the way the body works. There are different types of drugs, and these have different effects on the body.

17
Q

The the types of drugs and give an example of each.

A

Types of drugs…

18
Q
A