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atroni [7]
2 years ago
13

Sickle cell disease is particularly prevalent in areas where malaria is also common. Although individuals that are heterozygous

for the sickle cell allele suffer some symptoms from sickle cell disease, they also appear to gain some resistance to the parasite that causes malaria. If scientists are successful in eradicating malaria from these areas, over the next few years it is MOST LIKELY that the type of selection acting on the sickle cell allele would change from : __________
Health
1 answer:
Lorico [155]2 years ago
8 0

Answer:

ha ka

Explanation:

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KengaRu [80]

Answer:

Its tearssss

Explanation:

3 0
3 years ago
Read 2 more answers
Match the terms with the correct explanations.
andrezito [222]

1. A hormone that speeds up the heart  - Adrenaline

2. A hormone that puts more sugar in the blood and narrows  arteries to increase blood pressure  - Cortisol

3. A hormone released in females  - Estrogen

4. The system that moves the blood - Circulatory system

5. The system that gives support and structure to the body  - Skeletal system  

6. The system that creates movement  - Muscular system

Explanation:

Hormones:

Adrenaline or epinephrine: Released by: Adrenal glands

Function: Prepare the body in fight or flight response and hence accelerates heart rate, blood pressure enlarges pupil, expands air passages in lungs in preparation to that response.

Cortisol: Released by: Adrenal glands

Functions: Regulate metabolism and controls the blood glucose level; activates immune response; prepares body to respond to stress. An increase in cortisol level can narrow down or constrict the arteries and increase the blood pressure.

Estrogen: Released by: Ovaries

Function: Female sex hormones which develop feminine characteristics in females like breast and hair (underarm and pubic areas) development during puberty, protects the bone health, controls cholesterol, and activates body systems.

Body systems:

The circulatory system is a transport system complete with heart, blood and all the blood vessels. This system transports oxygen, nutrients, hormones, and other substances throughout the body and supplies all its tissues via blood travelling through the blood vessels. This also carries carbon dioxide and other waste products out from the body cells.

The skeletal system complete with bones and joints provides the supportive framework of the body which provides body shape and protects all the internal organs are present inside the framework. It also helps to synthesize RBCs in the bone marrow and helps to store minerals.

The muscular system complete with muscles and connective tissues aids in body movements both voluntary and involuntary and maintains posture.

7 0
3 years ago
How are genes related to chromosomes?
Mumz [18]

Answer:

D

Explanation:

Chromosomes have genes (that kinda look like spaghetti) on them. They are both located in the nucleus though.

3 0
3 years ago
Read 2 more answers
Pls help 10 free points :]
olga55 [171]

Answer:

run 3 mins cool down nice easy jog for 5 mins.

Cardiovascular intervuls. sprint 30seconds jog for 1 min

1hour and 45 mins

Explanation:

6 0
3 years ago
What skill-related fitness component will help you be a a successful dribbler? Explain why?
Ksenya-84 [330]

Answer:agility,balance,coordination,speed,reaction time,and power.

Explanation:You need hand-eye coordination to dribble the ball but not keep looking at the ball,speed so you can keep up with dribbling the ball while running,reaction time because you gotta be ready for people trynna steal your ball,balance for when dribbling the ball you need to have balance to make sure u don’t trip and fall trynna keep the ball in place of your hand,power so you can dribble the ball,and agility cause you need to be able to move easily and quickly.

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3 years ago
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