Question

Gre con
c. liver
212
1. This organ pumps blood to the different parts of the body.
a. brain
bheart
2. The nervous system consists of brain, spinal cord and
a. heart
b. nerves.
c. 206 bones.
3. These give shape and support to our body.
a. bones
b. cells
4. Kidneys remove
a. carbon dioxide.
b. sweat.
c. muscles
c. urine.
B. Circle the odd one out in each set.
1. ears
heart
skin
nose
2. small intestine
kidneys
stomach
saliva
3. blood
nerves
heart
circulation
4. kidneys
urine
brain
sweat
C. Answer these questions.
1. How are the sense organs connected to the brain?
2. Is it right to keep the windows of our rooms closed all the time? Why?
3. What does oxygen do inside our body?
4. Which two organ systems help the body and its parts to move?​

Answer 1

$\huge{\boxed{\bf{\pink{An}\orange{swe}\pink{rs}}}}$

1. This organ pumps blood to the different parts of the body.

Ans: Heart

2. The nervous system consists of brain, spinal cord and

Ans: Nerves

3.These give shape and support to our body.

Ans: Bones

4.Kidneys remove

Ans: urine

Circle the odd one out

1. Heart...

bcz the others are included in organ system but Heart doesn't..

2. Kidneys

bcz the other are included in digestive system and kidney doesn't...

3. Nerves

bcz others are included in blood circulation system and the nerves is nervous system

4. Brain

bcz others are included in cleaning system but brain is in nervous system group...

Answer these questions

1.Sensory neurons send nerve impulses from sensory receptors to the central nervous system. The brain then interprets the nerve impulses to form a response. A sensory receptor is a cell or a group of cells that detect stimuli. Sensory receptors can be classified based on the type of stimuli to which they respond.

2.Generally, if your house is decently insulated, keep the windows and blinds closed when the sun is shining. ... More specifically, keep the windows closed when the outside temperature is hotter than it is inside, and open the windows when it's cooler outside than inside.

3.Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.

4.The skeletal system is made up of bones, ligaments and tendons. It shapes the body and protects organs. The skeletal system works with the muscular system to help the body move.