Health sciences Revision

Health sciences Revision

Learning objectives:

• To Identify the main parts of body systems and its functions

Homeostasis:

The body’s way of keeping everything balanced.

It is Responsible for regulation

Homoestasis controls in the body:

Temperature

Blood pressure

Blood glucose (sugar) levels

Part of the body responsible for homeostasis:

 

The brain (hypothalamus) controls homeostasis.

^{Parts of the body that help in homeostasis:}

Heart

Muscles

Liver

kidney

Pancreas, lungs

Multiple Choice

What homeostasis is?

• The body’s way of changing some hormones inside the body

• The body’s way of keeping everything balanced. It is Responsible for regulation

• None of the above

Multiple Select

Select three parts of the immune system.

• Thymus

• Stomach

• Tonsils

• Trachea

• white blood cells

Multiple Choice

Which of the following does homeostasis control?

• All of the above

Multiple Choice

Choose which one is a muscle tissue?

Remember:

• Cardio vascular = circulatory system

• It is responsible for circulating blood around the body

The heart

• The heart = Muscle in the chest

• The heart is made up of four chambers (small rooms)

How does the heart work?

1- It gets smaller (contracts= تقلص) to push the blood

2- It gets bigger (relaxes= استرخاء)

Multiple Choice

What is the function of the cardiovascular system?

• To provide movement

• To circulate blood around the body

• To fight disease

Multiple Select

Choose three blood vessels

• artery

• nerves

• vein

• Capillary

The respiratory system

PARTS:

Nasal cavity

Pharynx

larynx

trachea

bronchi

alveoli= Gas exchange(carbon and oxygen)

The respiratory muscles:

1- Diaphragm: Down of the lungs

2- Intercostal muscles: between the ribs

Multiple Choice

What does happen inside the tiny sacs (alveoli)?

• Fluids exchange

• Nutrients exchange (proteins, vitamins…)

• Gas exchange (oxygen and carbon dioxide)

Multiple Select

Select two types of respiratory muscles

What is the nervous system?

Made up from:

1- the Central Nervous System (CNS)   

2-Peripheral Nervous System (PNS).

Multiple Choice

The brain and the spinal cord are part of the central nervous system

• True

• False

Multiple Choice

Which type of nerve is responsible for sending messages from the brain to the smooth muscles (stomach..), cardiac muscle (heart)

• Somatic nerves(move bone muscles)

• Autonomic nerves (heart, lungs..)

• Sensory (taste, hearing.\, smell...)

• Motor nerves (bring message from the brain to the muscles)

Multiple Select

What are the two main types of white blood cells?

• Red blood cells

• lymphocytes

• blood

• phagocytes

• yellow blood cells

Multiple Choice

Choose which one is not a part of the immune system

• thymus

• stomach

• white blood cells

• tonsils